Home / 185,924,565.54-278,920,892.65-76,690,146.06

Finding the Fourth Proportional to 185,924,565.54, 278,920,892.65 and 76,690,146.06

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Solution

The fourth proportional to 185,924,565.54, 278,920,892.65 and 76,690,146.06 is: 115,049,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924,565.54 : 278,920,892.65 = 76,690,146.06 : x
  2. Step 2: Convert to fraction form
    185,924,565.54/278,920,892.65 = 76,690,146.06/x
  3. Step 3: Cross multiply
    185,924,565.54x = 278,920,892.65 × 76,690,146.06
  4. Step 4: Simplify right side
    185,924,565.54x = 21,390,483,996,514,080
  5. Step 5: Solve for x
    x = 21,390,483,996,514,080/185,924,565.54
  6. Step 6: Final answer
    x = 115,049,261.70

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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.