Home / 66,021,864.60-98,948,816.10-31,869,672.60

Finding the Fourth Proportional to 66,021,864.60, 98,948,816.10 and 31,869,672.60

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Solution

The fourth proportional to 66,021,864.60, 98,948,816.10 and 31,869,672.60 is: 47,763,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021,864.60 : 98,948,816.10 = 31,869,672.60 : x
  2. Step 2: Convert to fraction form
    66,021,864.60/98,948,816.10 = 31,869,672.60/x
  3. Step 3: Cross multiply
    66,021,864.60x = 98,948,816.10 × 31,869,672.60
  4. Step 4: Simplify right side
    66,021,864.60x = 3,153,466,373,264,609
  5. Step 5: Solve for x
    x = 3,153,466,373,264,609/66,021,864.60
  6. Step 6: Final answer
    x = 47,763,970.20

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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.