Home / 247,913,514.81-372,103,258.55-129,823,036.47

Finding the Fourth Proportional to 247,913,514.81, 372,103,258.55 and 129,823,036.47

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Solution

The fourth proportional to 247,913,514.81, 372,103,258.55 and 129,823,036.47 is: 194,856,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,913,514.81 : 372,103,258.55 = 129,823,036.47 : x
  2. Step 2: Convert to fraction form
    247,913,514.81/372,103,258.55 = 129,823,036.47/x
  3. Step 3: Cross multiply
    247,913,514.81x = 372,103,258.55 × 129,823,036.47
  4. Step 4: Simplify right side
    247,913,514.81x = 48,307,574,904,693,376
  5. Step 5: Solve for x
    x = 48,307,574,904,693,376/247,913,514.81
  6. Step 6: Final answer
    x = 194,856,560.93

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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.