Home / 161,705,420.15-242,558,130.23-88,894,066.55

Finding the Fourth Proportional to 161,705,420.15, 242,558,130.23 and 88,894,066.55

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Solution

The fourth proportional to 161,705,420.15, 242,558,130.23 and 88,894,066.55 is: 133,341,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,420.15 : 242,558,130.23 = 88,894,066.55 : x
  2. Step 2: Convert to fraction form
    161,705,420.15/242,558,130.23 = 88,894,066.55/x
  3. Step 3: Cross multiply
    161,705,420.15x = 242,558,130.23 × 88,894,066.55
  4. Step 4: Simplify right side
    161,705,420.15x = 21,561,978,570,909,184
  5. Step 5: Solve for x
    x = 21,561,978,570,909,184/161,705,420.15
  6. Step 6: Final answer
    x = 133,341,099.83

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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.