Home / 97,920,414.80-146,916,780.60-40,417,672.40

Finding the Fourth Proportional to 97,920,414.80, 146,916,780.60 and 40,417,672.40

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Solution

The fourth proportional to 97,920,414.80, 146,916,780.60 and 40,417,672.40 is: 60,641,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,920,414.80 : 146,916,780.60 = 40,417,672.40 : x
  2. Step 2: Convert to fraction form
    97,920,414.80/146,916,780.60 = 40,417,672.40/x
  3. Step 3: Cross multiply
    97,920,414.80x = 146,916,780.60 × 40,417,672.40
  4. Step 4: Simplify right side
    97,920,414.80x = 5,938,034,308,353,475
  5. Step 5: Solve for x
    x = 5,938,034,308,353,475/97,920,414.80
  6. Step 6: Final answer
    x = 60,641,433.36

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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.