Home / 242,558,679.60-363,838,019.40-89,172,997.20

Finding the Fourth Proportional to 242,558,679.60, 363,838,019.40 and 89,172,997.20

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Solution

The fourth proportional to 242,558,679.60, 363,838,019.40 and 89,172,997.20 is: 133,759,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,558,679.60 : 363,838,019.40 = 89,172,997.20 : x
  2. Step 2: Convert to fraction form
    242,558,679.60/363,838,019.40 = 89,172,997.20/x
  3. Step 3: Cross multiply
    242,558,679.60x = 363,838,019.40 × 89,172,997.20
  4. Step 4: Simplify right side
    242,558,679.60x = 32,444,526,685,209,744
  5. Step 5: Solve for x
    x = 32,444,526,685,209,744/242,558,679.60
  6. Step 6: Final answer
    x = 133,759,495.80

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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.