Home / 187,345,046.61-281,178,995.09-129,877,674.08

Finding the Fourth Proportional to 187,345,046.61, 281,178,995.09 and 129,877,674.08

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Solution

The fourth proportional to 187,345,046.61, 281,178,995.09 and 129,877,674.08 is: 194,928,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345,046.61 : 281,178,995.09 = 129,877,674.08 : x
  2. Step 2: Convert to fraction form
    187,345,046.61/281,178,995.09 = 129,877,674.08/x
  3. Step 3: Cross multiply
    187,345,046.61x = 281,178,995.09 × 129,877,674.08
  4. Step 4: Simplify right side
    187,345,046.61x = 36,518,873,880,385,656
  5. Step 5: Solve for x
    x = 36,518,873,880,385,656/187,345,046.61
  6. Step 6: Final answer
    x = 194,928,419.73

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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.