Home / 279,944,000.90-419,916,001.35-75,492,743.30

Finding the Fourth Proportional to 279,944,000.90, 419,916,001.35 and 75,492,743.30

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Solution

The fourth proportional to 279,944,000.90, 419,916,001.35 and 75,492,743.30 is: 113,239,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,944,000.90 : 419,916,001.35 = 75,492,743.30 : x
  2. Step 2: Convert to fraction form
    279,944,000.90/419,916,001.35 = 75,492,743.30/x
  3. Step 3: Cross multiply
    279,944,000.90x = 419,916,001.35 × 75,492,743.30
  4. Step 4: Simplify right side
    279,944,000.90x = 31,700,610,897,478,004
  5. Step 5: Solve for x
    x = 31,700,610,897,478,004/279,944,000.90
  6. Step 6: Final answer
    x = 113,239,114.95

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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.