Home / 61,644,399.32-85,037,018.95-38,115,414.74

Finding the Fourth Proportional to 61,644,399.32, 85,037,018.95 and 38,115,414.74

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Solution

The fourth proportional to 61,644,399.32, 85,037,018.95 and 38,115,414.74 is: 52,579,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644,399.32 : 85,037,018.95 = 38,115,414.74 : x
  2. Step 2: Convert to fraction form
    61,644,399.32/85,037,018.95 = 38,115,414.74/x
  3. Step 3: Cross multiply
    61,644,399.32x = 85,037,018.95 × 38,115,414.74
  4. Step 4: Simplify right side
    61,644,399.32x = 3,241,221,245,745,082
  5. Step 5: Solve for x
    x = 3,241,221,245,745,082/61,644,399.32
  6. Step 6: Final answer
    x = 52,579,330.50

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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.