Home / 83,176,220.40-124,772,668.20-28,581,615.60

Finding the Fourth Proportional to 83,176,220.40, 124,772,668.20 and 28,581,615.60

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Solution

The fourth proportional to 83,176,220.40, 124,772,668.20 and 28,581,615.60 is: 42,875,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,176,220.40 : 124,772,668.20 = 28,581,615.60 : x
  2. Step 2: Convert to fraction form
    83,176,220.40/124,772,668.20 = 28,581,615.60/x
  3. Step 3: Cross multiply
    83,176,220.40x = 124,772,668.20 × 28,581,615.60
  4. Step 4: Simplify right side
    83,176,220.40x = 3,566,204,439,878,744
  5. Step 5: Solve for x
    x = 3,566,204,439,878,744/83,176,220.40
  6. Step 6: Final answer
    x = 42,875,288.43

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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.