Home / 86,086,608.17-129,157,797.41-51,537,606.89

Finding the Fourth Proportional to 86,086,608.17, 129,157,797.41 and 51,537,606.89

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Solution

The fourth proportional to 86,086,608.17, 129,157,797.41 and 51,537,606.89 is: 77,323,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,086,608.17 : 129,157,797.41 = 51,537,606.89 : x
  2. Step 2: Convert to fraction form
    86,086,608.17/129,157,797.41 = 51,537,606.89/x
  3. Step 3: Cross multiply
    86,086,608.17x = 129,157,797.41 × 51,537,606.89
  4. Step 4: Simplify right side
    86,086,608.17x = 6,656,483,788,791,363
  5. Step 5: Solve for x
    x = 6,656,483,788,791,363/86,086,608.17
  6. Step 6: Final answer
    x = 77,323,104.38

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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.