Home / 99,675,331.92-137,551,985.46-55,021,331.16

Finding the Fourth Proportional to 99,675,331.92, 137,551,985.46 and 55,021,331.16

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Solution

The fourth proportional to 99,675,331.92, 137,551,985.46 and 55,021,331.16 is: 75,929,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,675,331.92 : 137,551,985.46 = 55,021,331.16 : x
  2. Step 2: Convert to fraction form
    99,675,331.92/137,551,985.46 = 55,021,331.16/x
  3. Step 3: Cross multiply
    99,675,331.92x = 137,551,985.46 × 55,021,331.16
  4. Step 4: Simplify right side
    99,675,331.92x = 7,568,293,343,710,165
  5. Step 5: Solve for x
    x = 7,568,293,343,710,165/99,675,331.92
  6. Step 6: Final answer
    x = 75,929,452.13

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