Home / 103,239,037.38-142,472,808.48-56,199,144.49

Finding the Fourth Proportional to 103,239,037.38, 142,472,808.48 and 56,199,144.49

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Solution

The fourth proportional to 103,239,037.38, 142,472,808.48 and 56,199,144.49 is: 77,556,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,239,037.38 : 142,472,808.48 = 56,199,144.49 : x
  2. Step 2: Convert to fraction form
    103,239,037.38/142,472,808.48 = 56,199,144.49/x
  3. Step 3: Cross multiply
    103,239,037.38x = 142,472,808.48 × 56,199,144.49
  4. Step 4: Simplify right side
    103,239,037.38x = 8,006,849,949,663,617
  5. Step 5: Solve for x
    x = 8,006,849,949,663,617/103,239,037.38
  6. Step 6: Final answer
    x = 77,556,418.12

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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.