Home / 119,155,371.12-178,733,066.16-38,376,339.12

Finding the Fourth Proportional to 119,155,371.12, 178,733,066.16 and 38,376,339.12

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Solution

The fourth proportional to 119,155,371.12, 178,733,066.16 and 38,376,339.12 is: 57,564,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,155,371.12 : 178,733,066.16 = 38,376,339.12 : x
  2. Step 2: Convert to fraction form
    119,155,371.12/178,733,066.16 = 38,376,339.12/x
  3. Step 3: Cross multiply
    119,155,371.12x = 178,733,066.16 × 38,376,339.12
  4. Step 4: Simplify right side
    119,155,371.12x = 6,859,120,758,913,556
  5. Step 5: Solve for x
    x = 6,859,120,758,913,556/119,155,371.12
  6. Step 6: Final answer
    x = 57,564,511.73

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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.