Home / 295,143,964.40-442,726,444.20-90,671,711.60

Finding the Fourth Proportional to 295,143,964.40, 442,726,444.20 and 90,671,711.60

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Solution

The fourth proportional to 295,143,964.40, 442,726,444.20 and 90,671,711.60 is: 136,010,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,143,964.40 : 442,726,444.20 = 90,671,711.60 : x
  2. Step 2: Convert to fraction form
    295,143,964.40/442,726,444.20 = 90,671,711.60/x
  3. Step 3: Cross multiply
    295,143,964.40x = 442,726,444.20 × 90,671,711.60
  4. Step 4: Simplify right side
    295,143,964.40x = 40,142,764,466,195,888
  5. Step 5: Solve for x
    x = 40,142,764,466,195,888/295,143,964.40
  6. Step 6: Final answer
    x = 136,010,792.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.