Home / 124,666,769.88-172,036,841.22-69,663,078.36

Finding the Fourth Proportional to 124,666,769.88, 172,036,841.22 and 69,663,078.36

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Solution

The fourth proportional to 124,666,769.88, 172,036,841.22 and 69,663,078.36 is: 96,133,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666,769.88 : 172,036,841.22 = 69,663,078.36 : x
  2. Step 2: Convert to fraction form
    124,666,769.88/172,036,841.22 = 69,663,078.36/x
  3. Step 3: Cross multiply
    124,666,769.88x = 172,036,841.22 × 69,663,078.36
  4. Step 4: Simplify right side
    124,666,769.88x = 11,984,615,950,715,738
  5. Step 5: Solve for x
    x = 11,984,615,950,715,738/124,666,769.88
  6. Step 6: Final answer
    x = 96,133,203.44

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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.