Home / 98,413,648.40-147,620,472.60-37,831,350.80

Finding the Fourth Proportional to 98,413,648.40, 147,620,472.60 and 37,831,350.80

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Solution

The fourth proportional to 98,413,648.40, 147,620,472.60 and 37,831,350.80 is: 56,747,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413,648.40 : 147,620,472.60 = 37,831,350.80 : x
  2. Step 2: Convert to fraction form
    98,413,648.40/147,620,472.60 = 37,831,350.80/x
  3. Step 3: Cross multiply
    98,413,648.40x = 147,620,472.60 × 37,831,350.80
  4. Step 4: Simplify right side
    98,413,648.40x = 5,584,681,884,192,387
  5. Step 5: Solve for x
    x = 5,584,681,884,192,387/98,413,648.40
  6. Step 6: Final answer
    x = 56,747,026.20

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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.