Home / 98,284,902.40-147,427,353.60-47,158,220.80

Finding the Fourth Proportional to 98,284,902.40, 147,427,353.60 and 47,158,220.80

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Solution

The fourth proportional to 98,284,902.40, 147,427,353.60 and 47,158,220.80 is: 70,737,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284,902.40 : 147,427,353.60 = 47,158,220.80 : x
  2. Step 2: Convert to fraction form
    98,284,902.40/147,427,353.60 = 47,158,220.80/x
  3. Step 3: Cross multiply
    98,284,902.40x = 147,427,353.60 × 47,158,220.80
  4. Step 4: Simplify right side
    98,284,902.40x = 6,952,411,693,028,474
  5. Step 5: Solve for x
    x = 6,952,411,693,028,474/98,284,902.40
  6. Step 6: Final answer
    x = 70,737,331.20

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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.