Home / 90,641,285,703.84-125,085,363,150.24-49,442,563,295.76

Finding the Fourth Proportional to 90,641,285,703.84, 125,085,363,150.24 and 49,442,563,295.76

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Solution

The fourth proportional to 90,641,285,703.84, 125,085,363,150.24 and 49,442,563,295.76 is: 68,230,949,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641,285,703.84 : 125,085,363,150.24 = 49,442,563,295.76 : x
  2. Step 2: Convert to fraction form
    90,641,285,703.84/125,085,363,150.24 = 49,442,563,295.76/x
  3. Step 3: Cross multiply
    90,641,285,703.84x = 125,085,363,150.24 × 49,442,563,295.76
  4. Step 4: Simplify right side
    90,641,285,703.84x = 6,184,540,984,928,867,713,024
  5. Step 5: Solve for x
    x = 6,184,540,984,928,867,713,024/90,641,285,703.84
  6. Step 6: Final answer
    x = 68,230,949,471.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.