Home / 124,677,283.19-172,054,884.17-69,673,139.69

Finding the Fourth Proportional to 124,677,283.19, 172,054,884.17 and 69,673,139.69

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Solution

The fourth proportional to 124,677,283.19, 172,054,884.17 and 69,673,139.69 is: 96,149,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,677,283.19 : 172,054,884.17 = 69,673,139.69 : x
  2. Step 2: Convert to fraction form
    124,677,283.19/172,054,884.17 = 69,673,139.69/x
  3. Step 3: Cross multiply
    124,677,283.19x = 172,054,884.17 × 69,673,139.69
  4. Step 4: Simplify right side
    124,677,283.19x = 11,987,603,978,437,090
  5. Step 5: Solve for x
    x = 11,987,603,978,437,090/124,677,283.19
  6. Step 6: Final answer
    x = 96,149,063.18

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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.