Home / 231,812,419.20-347,760,619.20-116,506,780.80

Finding the Fourth Proportional to 231,812,419.20, 347,760,619.20 and 116,506,780.80

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Solution

The fourth proportional to 231,812,419.20, 347,760,619.20 and 116,506,780.80 is: 174,781,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,812,419.20 : 347,760,619.20 = 116,506,780.80 : x
  2. Step 2: Convert to fraction form
    231,812,419.20/347,760,619.20 = 116,506,780.80/x
  3. Step 3: Cross multiply
    231,812,419.20x = 347,760,619.20 × 116,506,780.80
  4. Step 4: Simplify right side
    231,812,419.20x = 40,516,470,232,006,672
  5. Step 5: Solve for x
    x = 40,516,470,232,006,672/231,812,419.20
  6. Step 6: Final answer
    x = 174,781,275.19

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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.