Home / 72,287,575.04-99,765,841.92-41,343,449.60

Finding the Fourth Proportional to 72,287,575.04, 99,765,841.92 and 41,343,449.60

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Solution

The fourth proportional to 72,287,575.04, 99,765,841.92 and 41,343,449.60 is: 57,059,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287,575.04 : 99,765,841.92 = 41,343,449.60 : x
  2. Step 2: Convert to fraction form
    72,287,575.04/99,765,841.92 = 41,343,449.60/x
  3. Step 3: Cross multiply
    72,287,575.04x = 99,765,841.92 × 41,343,449.60
  4. Step 4: Simplify right side
    72,287,575.04x = 4,124,664,057,221,087.50
  5. Step 5: Solve for x
    x = 4,124,664,057,221,087.50/72,287,575.04
  6. Step 6: Final answer
    x = 57,059,101.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.