Home / 90,641,285,476.99-125,085,362,837.07-49,442,563,068.46

Finding the Fourth Proportional to 90,641,285,476.99, 125,085,362,837.07 and 49,442,563,068.46

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Solution

The fourth proportional to 90,641,285,476.99, 125,085,362,837.07 and 49,442,563,068.46 is: 68,230,949,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641,285,476.99 : 125,085,362,837.07 = 49,442,563,068.46 : x
  2. Step 2: Convert to fraction form
    90,641,285,476.99/125,085,362,837.07 = 49,442,563,068.46/x
  3. Step 3: Cross multiply
    90,641,285,476.99x = 125,085,362,837.07 × 49,442,563,068.46
  4. Step 4: Simplify right side
    90,641,285,476.99x = 6,184,540,941,013,535,948,800
  5. Step 5: Solve for x
    x = 6,184,540,941,013,535,948,800/90,641,285,476.99
  6. Step 6: Final answer
    x = 68,230,949,158.19

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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.