Home / 159,966,449.01-220,691,200.46-92,974,275.81

Finding the Fourth Proportional to 159,966,449.01, 220,691,200.46 and 92,974,275.81

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Solution

The fourth proportional to 159,966,449.01, 220,691,200.46 and 92,974,275.81 is: 128,268,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,966,449.01 : 220,691,200.46 = 92,974,275.81 : x
  2. Step 2: Convert to fraction form
    159,966,449.01/220,691,200.46 = 92,974,275.81/x
  3. Step 3: Cross multiply
    159,966,449.01x = 220,691,200.46 × 92,974,275.81
  4. Step 4: Simplify right side
    159,966,449.01x = 20,518,604,539,943,168
  5. Step 5: Solve for x
    x = 20,518,604,539,943,168/159,966,449.01
  6. Step 6: Final answer
    x = 128,268,175.40

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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.