Home / 131,065,811.55-180,874,654.55-71,530,926.18

Finding the Fourth Proportional to 131,065,811.55, 180,874,654.55 and 71,530,926.18

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Solution

The fourth proportional to 131,065,811.55, 180,874,654.55 and 71,530,926.18 is: 98,714,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,065,811.55 : 180,874,654.55 = 71,530,926.18 : x
  2. Step 2: Convert to fraction form
    131,065,811.55/180,874,654.55 = 71,530,926.18/x
  3. Step 3: Cross multiply
    131,065,811.55x = 180,874,654.55 × 71,530,926.18
  4. Step 4: Simplify right side
    131,065,811.55x = 12,938,131,561,681,358
  5. Step 5: Solve for x
    x = 12,938,131,561,681,358/131,065,811.55
  6. Step 6: Final answer
    x = 98,714,770.91

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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.