Home / 160,046,621.28-220,864,569.48-86,707,763.28

Finding the Fourth Proportional to 160,046,621.28, 220,864,569.48 and 86,707,763.28

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Solution

The fourth proportional to 160,046,621.28, 220,864,569.48 and 86,707,763.28 is: 119,656,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,046,621.28 : 220,864,569.48 = 86,707,763.28 : x
  2. Step 2: Convert to fraction form
    160,046,621.28/220,864,569.48 = 86,707,763.28/x
  3. Step 3: Cross multiply
    160,046,621.28x = 220,864,569.48 × 86,707,763.28
  4. Step 4: Simplify right side
    160,046,621.28x = 19,150,672,807,410,952
  5. Step 5: Solve for x
    x = 19,150,672,807,410,952/160,046,621.28
  6. Step 6: Final answer
    x = 119,656,839.08

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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.