Home / 124,394,188.64-171,726,128.15-77,366,420.97

Finding the Fourth Proportional to 124,394,188.64, 171,726,128.15 and 77,366,420.97

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Solution

The fourth proportional to 124,394,188.64, 171,726,128.15 and 77,366,420.97 is: 106,804,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394,188.64 : 171,726,128.15 = 77,366,420.97 : x
  2. Step 2: Convert to fraction form
    124,394,188.64/171,726,128.15 = 77,366,420.97/x
  3. Step 3: Cross multiply
    124,394,188.64x = 171,726,128.15 × 77,366,420.97
  4. Step 4: Simplify right side
    124,394,188.64x = 13,285,835,921,614,236
  5. Step 5: Solve for x
    x = 13,285,835,921,614,236/124,394,188.64
  6. Step 6: Final answer
    x = 106,804,313.51

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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.