Home / 158,511,157.20-218,746,981.49-88,895,043.41

Finding the Fourth Proportional to 158,511,157.20, 218,746,981.49 and 88,895,043.41

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Solution

The fourth proportional to 158,511,157.20, 218,746,981.49 and 88,895,043.41 is: 122,676,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511,157.20 : 218,746,981.49 = 88,895,043.41 : x
  2. Step 2: Convert to fraction form
    158,511,157.20/218,746,981.49 = 88,895,043.41/x
  3. Step 3: Cross multiply
    158,511,157.20x = 218,746,981.49 × 88,895,043.41
  4. Step 4: Simplify right side
    158,511,157.20x = 19,445,522,413,821,808
  5. Step 5: Solve for x
    x = 19,445,522,413,821,808/158,511,157.20
  6. Step 6: Final answer
    x = 122,676,048.53

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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.