Home / 99,632,612.44-137,489,887.38-58,406,962.60

Finding the Fourth Proportional to 99,632,612.44, 137,489,887.38 and 58,406,962.60

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Solution

The fourth proportional to 99,632,612.44, 137,489,887.38 and 58,406,962.60 is: 80,599,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632,612.44 : 137,489,887.38 = 58,406,962.60 : x
  2. Step 2: Convert to fraction form
    99,632,612.44/137,489,887.38 = 58,406,962.60/x
  3. Step 3: Cross multiply
    99,632,612.44x = 137,489,887.38 × 58,406,962.60
  4. Step 4: Simplify right side
    99,632,612.44x = 8,030,366,710,081,872
  5. Step 5: Solve for x
    x = 8,030,366,710,081,872/99,632,612.44
  6. Step 6: Final answer
    x = 80,599,780.67

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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.