Home / 147,278,006.35-220,949,340.87-43,655,204.40

Finding the Fourth Proportional to 147,278,006.35, 220,949,340.87 and 43,655,204.40

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Solution

The fourth proportional to 147,278,006.35, 220,949,340.87 and 43,655,204.40 is: 65,492,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278,006.35 : 220,949,340.87 = 43,655,204.40 : x
  2. Step 2: Convert to fraction form
    147,278,006.35/220,949,340.87 = 43,655,204.40/x
  3. Step 3: Cross multiply
    147,278,006.35x = 220,949,340.87 × 43,655,204.40
  4. Step 4: Simplify right side
    147,278,006.35x = 9,645,588,637,060,272
  5. Step 5: Solve for x
    x = 9,645,588,637,060,272/147,278,006.35
  6. Step 6: Final answer
    x = 65,492,390.05

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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.