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Finding the Fourth Proportional to 218,592,611.70, 327,888,917.55 and 57,034,547.70

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Solution

The fourth proportional to 218,592,611.70, 327,888,917.55 and 57,034,547.70 is: 85,551,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,592,611.70 : 327,888,917.55 = 57,034,547.70 : x
  2. Step 2: Convert to fraction form
    218,592,611.70/327,888,917.55 = 57,034,547.70/x
  3. Step 3: Cross multiply
    218,592,611.70x = 327,888,917.55 × 57,034,547.70
  4. Step 4: Simplify right side
    218,592,611.70x = 18,700,996,108,306,844
  5. Step 5: Solve for x
    x = 18,700,996,108,306,844/218,592,611.70
  6. Step 6: Final answer
    x = 85,551,821.55

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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.