Home / 78,116,402.46-117,092,580.18-26,283,011.21

Finding the Fourth Proportional to 78,116,402.46, 117,092,580.18 and 26,283,011.21

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Solution

The fourth proportional to 78,116,402.46, 117,092,580.18 and 26,283,011.21 is: 39,396,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,116,402.46 : 117,092,580.18 = 26,283,011.21 : x
  2. Step 2: Convert to fraction form
    78,116,402.46/117,092,580.18 = 26,283,011.21/x
  3. Step 3: Cross multiply
    78,116,402.46x = 117,092,580.18 × 26,283,011.21
  4. Step 4: Simplify right side
    78,116,402.46x = 3,077,545,596,893,301
  5. Step 5: Solve for x
    x = 3,077,545,596,893,301/78,116,402.46
  6. Step 6: Final answer
    x = 39,396,919.21

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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.