Home / 98,415,277.20-147,622,915.80-57,432,646.80

Finding the Fourth Proportional to 98,415,277.20, 147,622,915.80 and 57,432,646.80

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Solution

The fourth proportional to 98,415,277.20, 147,622,915.80 and 57,432,646.80 is: 86,148,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,277.20 : 147,622,915.80 = 57,432,646.80 : x
  2. Step 2: Convert to fraction form
    98,415,277.20/147,622,915.80 = 57,432,646.80/x
  3. Step 3: Cross multiply
    98,415,277.20x = 147,622,915.80 × 57,432,646.80
  4. Step 4: Simplify right side
    98,415,277.20x = 8,478,374,782,727,540
  5. Step 5: Solve for x
    x = 8,478,374,782,727,540/98,415,277.20
  6. Step 6: Final answer
    x = 86,148,970.20

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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.