Home / 124,443,202.88-171,705,980.76-71,509,686.32

Finding the Fourth Proportional to 124,443,202.88, 171,705,980.76 and 71,509,686.32

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Solution

The fourth proportional to 124,443,202.88, 171,705,980.76 and 71,509,686.32 is: 98,668,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443,202.88 : 171,705,980.76 = 71,509,686.32 : x
  2. Step 2: Convert to fraction form
    124,443,202.88/171,705,980.76 = 71,509,686.32/x
  3. Step 3: Cross multiply
    124,443,202.88x = 171,705,980.76 × 71,509,686.32
  4. Step 4: Simplify right side
    124,443,202.88x = 12,278,640,823,415,554
  5. Step 5: Solve for x
    x = 12,278,640,823,415,554/124,443,202.88
  6. Step 6: Final answer
    x = 98,668,633.88

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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.