Home / 74,459,428.20-111,773,123.10-57,495,306.60

Finding the Fourth Proportional to 74,459,428.20, 111,773,123.10 and 57,495,306.60

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Solution

The fourth proportional to 74,459,428.20, 111,773,123.10 and 57,495,306.60 is: 86,307,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459,428.20 : 111,773,123.10 = 57,495,306.60 : x
  2. Step 2: Convert to fraction form
    74,459,428.20/111,773,123.10 = 57,495,306.60/x
  3. Step 3: Cross multiply
    74,459,428.20x = 111,773,123.10 × 57,495,306.60
  4. Step 4: Simplify right side
    74,459,428.20x = 6,426,429,982,274,042
  5. Step 5: Solve for x
    x = 6,426,429,982,274,042/74,459,428.20
  6. Step 6: Final answer
    x = 86,307,807.32

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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.