Home / 147,549,891.60-221,324,837.40-143,298,363.60

Finding the Fourth Proportional to 147,549,891.60, 221,324,837.40 and 143,298,363.60

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Solution

The fourth proportional to 147,549,891.60, 221,324,837.40 and 143,298,363.60 is: 214,947,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,549,891.60 : 221,324,837.40 = 143,298,363.60 : x
  2. Step 2: Convert to fraction form
    147,549,891.60/221,324,837.40 = 143,298,363.60/x
  3. Step 3: Cross multiply
    147,549,891.60x = 221,324,837.40 × 143,298,363.60
  4. Step 4: Simplify right side
    147,549,891.60x = 31,715,487,023,456,080
  5. Step 5: Solve for x
    x = 31,715,487,023,456,080/147,549,891.60
  6. Step 6: Final answer
    x = 214,947,545.40

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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.