Home / 160,842,508.16-222,039,756.12-99,015,843.20

Finding the Fourth Proportional to 160,842,508.16, 222,039,756.12 and 99,015,843.20

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Solution

The fourth proportional to 160,842,508.16, 222,039,756.12 and 99,015,843.20 is: 136,689,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,842,508.16 : 222,039,756.12 = 99,015,843.20 : x
  2. Step 2: Convert to fraction form
    160,842,508.16/222,039,756.12 = 99,015,843.20/x
  3. Step 3: Cross multiply
    160,842,508.16x = 222,039,756.12 × 99,015,843.20
  4. Step 4: Simplify right side
    160,842,508.16x = 21,985,453,676,144,160
  5. Step 5: Solve for x
    x = 21,985,453,676,144,160/160,842,508.16
  6. Step 6: Final answer
    x = 136,689,323.78

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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.