Home / 77,613,386.13-116,420,079.30-31,544,461.71

Finding the Fourth Proportional to 77,613,386.13, 116,420,079.30 and 31,544,461.71

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Solution

The fourth proportional to 77,613,386.13, 116,420,079.30 and 31,544,461.71 is: 47,316,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,613,386.13 : 116,420,079.30 = 31,544,461.71 : x
  2. Step 2: Convert to fraction form
    77,613,386.13/116,420,079.30 = 31,544,461.71/x
  3. Step 3: Cross multiply
    77,613,386.13x = 116,420,079.30 × 31,544,461.71
  4. Step 4: Simplify right side
    77,613,386.13x = 3,672,408,733,754,013.50
  5. Step 5: Solve for x
    x = 3,672,408,733,754,013.50/77,613,386.13
  6. Step 6: Final answer
    x = 47,316,692.61

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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.