Home / 285,466,177.53-393,967,415.27-160,016,368.05

Finding the Fourth Proportional to 285,466,177.53, 393,967,415.27 and 160,016,368.05

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Solution

The fourth proportional to 285,466,177.53, 393,967,415.27 and 160,016,368.05 is: 220,836,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,466,177.53 : 393,967,415.27 = 160,016,368.05 : x
  2. Step 2: Convert to fraction form
    285,466,177.53/393,967,415.27 = 160,016,368.05/x
  3. Step 3: Cross multiply
    285,466,177.53x = 393,967,415.27 × 160,016,368.05
  4. Step 4: Simplify right side
    285,466,177.53x = 63,041,234,921,951,552
  5. Step 5: Solve for x
    x = 63,041,234,921,951,552/285,466,177.53
  6. Step 6: Final answer
    x = 220,836,091.57

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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.