Home / 122,625,711.74-183,639,767.28-81,101,290.34

Finding the Fourth Proportional to 122,625,711.74, 183,639,767.28 and 81,101,290.34

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Solution

The fourth proportional to 122,625,711.74, 183,639,767.28 and 81,101,290.34 is: 121,454,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,625,711.74 : 183,639,767.28 = 81,101,290.34 : x
  2. Step 2: Convert to fraction form
    122,625,711.74/183,639,767.28 = 81,101,290.34/x
  3. Step 3: Cross multiply
    122,625,711.74x = 183,639,767.28 × 81,101,290.34
  4. Step 4: Simplify right side
    122,625,711.74x = 14,893,422,084,145,312
  5. Step 5: Solve for x
    x = 14,893,422,084,145,312/122,625,711.74
  6. Step 6: Final answer
    x = 121,454,317.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.