Home / 372,132,499.20-558,198,748.80-242,035,742.40

Finding the Fourth Proportional to 372,132,499.20, 558,198,748.80 and 242,035,742.40

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Solution

The fourth proportional to 372,132,499.20, 558,198,748.80 and 242,035,742.40 is: 363,053,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,132,499.20 : 558,198,748.80 = 242,035,742.40 : x
  2. Step 2: Convert to fraction form
    372,132,499.20/558,198,748.80 = 242,035,742.40/x
  3. Step 3: Cross multiply
    372,132,499.20x = 558,198,748.80 × 242,035,742.40
  4. Step 4: Simplify right side
    372,132,499.20x = 135,104,048,572,559,104
  5. Step 5: Solve for x
    x = 135,104,048,572,559,104/372,132,499.20
  6. Step 6: Final answer
    x = 363,053,613.60

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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.