Home / 80,406,999.96-120,623,952.69-63,134,504.16

Finding the Fourth Proportional to 80,406,999.96, 120,623,952.69 and 63,134,504.16

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Solution

The fourth proportional to 80,406,999.96, 120,623,952.69 and 63,134,504.16 is: 94,712,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406,999.96 : 120,623,952.69 = 63,134,504.16 : x
  2. Step 2: Convert to fraction form
    80,406,999.96/120,623,952.69 = 63,134,504.16/x
  3. Step 3: Cross multiply
    80,406,999.96x = 120,623,952.69 × 63,134,504.16
  4. Step 4: Simplify right side
    80,406,999.96x = 7,615,533,442,902,448
  5. Step 5: Solve for x
    x = 7,615,533,442,902,448/80,406,999.96
  6. Step 6: Final answer
    x = 94,712,319.16

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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.