Home / 129,364,452.60-194,046,678.90-52,742,470.20

Finding the Fourth Proportional to 129,364,452.60, 194,046,678.90 and 52,742,470.20

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Solution

The fourth proportional to 129,364,452.60, 194,046,678.90 and 52,742,470.20 is: 79,113,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,364,452.60 : 194,046,678.90 = 52,742,470.20 : x
  2. Step 2: Convert to fraction form
    129,364,452.60/194,046,678.90 = 52,742,470.20/x
  3. Step 3: Cross multiply
    129,364,452.60x = 194,046,678.90 × 52,742,470.20
  4. Step 4: Simplify right side
    129,364,452.60x = 10,234,501,179,292,220
  5. Step 5: Solve for x
    x = 10,234,501,179,292,220/129,364,452.60
  6. Step 6: Final answer
    x = 79,113,705.30

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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.