Home / 78,732,307.60-118,098,461.40-44,294,930.80

Finding the Fourth Proportional to 78,732,307.60, 118,098,461.40 and 44,294,930.80

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Solution

The fourth proportional to 78,732,307.60, 118,098,461.40 and 44,294,930.80 is: 66,442,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,307.60 : 118,098,461.40 = 44,294,930.80 : x
  2. Step 2: Convert to fraction form
    78,732,307.60/118,098,461.40 = 44,294,930.80/x
  3. Step 3: Cross multiply
    78,732,307.60x = 118,098,461.40 × 44,294,930.80
  4. Step 4: Simplify right side
    78,732,307.60x = 5,231,163,175,299,471
  5. Step 5: Solve for x
    x = 5,231,163,175,299,471/78,732,307.60
  6. Step 6: Final answer
    x = 66,442,396.20

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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.