Home / 145,538,861.10-218,308,291.65-133,634,582.70

Finding the Fourth Proportional to 145,538,861.10, 218,308,291.65 and 133,634,582.70

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Solution

The fourth proportional to 145,538,861.10, 218,308,291.65 and 133,634,582.70 is: 200,451,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,538,861.10 : 218,308,291.65 = 133,634,582.70 : x
  2. Step 2: Convert to fraction form
    145,538,861.10/218,308,291.65 = 133,634,582.70/x
  3. Step 3: Cross multiply
    145,538,861.10x = 218,308,291.65 × 133,634,582.70
  4. Step 4: Simplify right side
    145,538,861.10x = 29,173,537,454,597,644
  5. Step 5: Solve for x
    x = 29,173,537,454,597,644/145,538,861.10
  6. Step 6: Final answer
    x = 200,451,874.05

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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.