Home / 99,858,562.10-137,792,881.01-55,198,501.32

Finding the Fourth Proportional to 99,858,562.10, 137,792,881.01 and 55,198,501.32

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Solution

The fourth proportional to 99,858,562.10, 137,792,881.01 and 55,198,501.32 is: 76,167,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,858,562.10 : 137,792,881.01 = 55,198,501.32 : x
  2. Step 2: Convert to fraction form
    99,858,562.10/137,792,881.01 = 55,198,501.32/x
  3. Step 3: Cross multiply
    99,858,562.10x = 137,792,881.01 × 55,198,501.32
  4. Step 4: Simplify right side
    99,858,562.10x = 7,605,960,524,971,806
  5. Step 5: Solve for x
    x = 7,605,960,524,971,806/99,858,562.10
  6. Step 6: Final answer
    x = 76,167,334.73

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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.