Home / 90,501,288.64-124,894,406.24-49,250,841.28

Finding the Fourth Proportional to 90,501,288.64, 124,894,406.24 and 49,250,841.28

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Solution

The fourth proportional to 90,501,288.64, 124,894,406.24 and 49,250,841.28 is: 67,967,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501,288.64 : 124,894,406.24 = 49,250,841.28 : x
  2. Step 2: Convert to fraction form
    90,501,288.64/124,894,406.24 = 49,250,841.28/x
  3. Step 3: Cross multiply
    90,501,288.64x = 124,894,406.24 × 49,250,841.28
  4. Step 4: Simplify right side
    90,501,288.64x = 6,151,154,578,486,081
  5. Step 5: Solve for x
    x = 6,151,154,578,486,081/90,501,288.64
  6. Step 6: Final answer
    x = 67,967,591.08

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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.