Home / 85,538,961.90-128,313,358.05-24,964,037.10

Finding the Fourth Proportional to 85,538,961.90, 128,313,358.05 and 24,964,037.10

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Solution

The fourth proportional to 85,538,961.90, 128,313,358.05 and 24,964,037.10 is: 37,447,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,538,961.90 : 128,313,358.05 = 24,964,037.10 : x
  2. Step 2: Convert to fraction form
    85,538,961.90/128,313,358.05 = 24,964,037.10/x
  3. Step 3: Cross multiply
    85,538,961.90x = 128,313,358.05 × 24,964,037.10
  4. Step 4: Simplify right side
    85,538,961.90x = 3,203,219,430,785,784
  5. Step 5: Solve for x
    x = 3,203,219,430,785,784/85,538,961.90
  6. Step 6: Final answer
    x = 37,447,490.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.