Home / 152,575,470.18-210,552,686.82-82,960,876.62

Finding the Fourth Proportional to 152,575,470.18, 210,552,686.82 and 82,960,876.62

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Solution

The fourth proportional to 152,575,470.18, 210,552,686.82 and 82,960,876.62 is: 114,485,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,575,470.18 : 210,552,686.82 = 82,960,876.62 : x
  2. Step 2: Convert to fraction form
    152,575,470.18/210,552,686.82 = 82,960,876.62/x
  3. Step 3: Cross multiply
    152,575,470.18x = 210,552,686.82 × 82,960,876.62
  4. Step 4: Simplify right side
    152,575,470.18x = 17,467,635,473,283,520
  5. Step 5: Solve for x
    x = 17,467,635,473,283,520/152,575,470.18
  6. Step 6: Final answer
    x = 114,485,214.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.