Home / 99,675,330.92-137,551,984.08-55,021,330.16

Finding the Fourth Proportional to 99,675,330.92, 137,551,984.08 and 55,021,330.16

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Solution

The fourth proportional to 99,675,330.92, 137,551,984.08 and 55,021,330.16 is: 75,929,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,675,330.92 : 137,551,984.08 = 55,021,330.16 : x
  2. Step 2: Convert to fraction form
    99,675,330.92/137,551,984.08 = 55,021,330.16/x
  3. Step 3: Cross multiply
    99,675,330.92x = 137,551,984.08 × 55,021,330.16
  4. Step 4: Simplify right side
    99,675,330.92x = 7,568,293,130,228,744
  5. Step 5: Solve for x
    x = 7,568,293,130,228,744/99,675,330.92
  6. Step 6: Final answer
    x = 75,929,450.75

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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.