Home / 90,376,318.68-124,710,604.98-50,685,460.76

Finding the Fourth Proportional to 90,376,318.68, 124,710,604.98 and 50,685,460.76

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Solution

The fourth proportional to 90,376,318.68, 124,710,604.98 and 50,685,460.76 is: 69,941,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376,318.68 : 124,710,604.98 = 50,685,460.76 : x
  2. Step 2: Convert to fraction form
    90,376,318.68/124,710,604.98 = 50,685,460.76/x
  3. Step 3: Cross multiply
    90,376,318.68x = 124,710,604.98 × 50,685,460.76
  4. Step 4: Simplify right side
    90,376,318.68x = 6,321,014,474,775,218
  5. Step 5: Solve for x
    x = 6,321,014,474,775,218/90,376,318.68
  6. Step 6: Final answer
    x = 69,941,048.35

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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.