Home / 98,415,903.20-147,623,854.80-57,433,272.80

Finding the Fourth Proportional to 98,415,903.20, 147,623,854.80 and 57,433,272.80

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Solution

The fourth proportional to 98,415,903.20, 147,623,854.80 and 57,433,272.80 is: 86,149,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,903.20 : 147,623,854.80 = 57,433,272.80 : x
  2. Step 2: Convert to fraction form
    98,415,903.20/147,623,854.80 = 57,433,272.80/x
  3. Step 3: Cross multiply
    98,415,903.20x = 147,623,854.80 × 57,433,272.80
  4. Step 4: Simplify right side
    98,415,903.20x = 8,478,521,124,515,990
  5. Step 5: Solve for x
    x = 8,478,521,124,515,990/98,415,903.20
  6. Step 6: Final answer
    x = 86,149,909.20

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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.