Home / 83,175,220.40-124,771,168.20-28,580,615.60

Finding the Fourth Proportional to 83,175,220.40, 124,771,168.20 and 28,580,615.60

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Solution

The fourth proportional to 83,175,220.40, 124,771,168.20 and 28,580,615.60 is: 42,873,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175,220.40 : 124,771,168.20 = 28,580,615.60 : x
  2. Step 2: Convert to fraction form
    83,175,220.40/124,771,168.20 = 28,580,615.60/x
  3. Step 3: Cross multiply
    83,175,220.40x = 124,771,168.20 × 28,580,615.60
  4. Step 4: Simplify right side
    83,175,220.40x = 3,566,036,796,287,144
  5. Step 5: Solve for x
    x = 3,566,036,796,287,144/83,175,220.40
  6. Step 6: Final answer
    x = 42,873,788.36

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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.