Home / 437,876,186.40-656,730,298.80-131,178,304.80

Finding the Fourth Proportional to 437,876,186.40, 656,730,298.80 and 131,178,304.80

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Solution

The fourth proportional to 437,876,186.40, 656,730,298.80 and 131,178,304.80 is: 196,742,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,876,186.40 : 656,730,298.80 = 131,178,304.80 : x
  2. Step 2: Convert to fraction form
    437,876,186.40/656,730,298.80 = 131,178,304.80/x
  3. Step 3: Cross multiply
    437,876,186.40x = 656,730,298.80 × 131,178,304.80
  4. Step 4: Simplify right side
    437,876,186.40x = 86,148,767,307,381,472
  5. Step 5: Solve for x
    x = 86,148,767,307,381,472/437,876,186.40
  6. Step 6: Final answer
    x = 196,742,298.36

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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.