Home / 206,152,189.32-309,228,341.50-60,585,742.76

Finding the Fourth Proportional to 206,152,189.32, 309,228,341.50 and 60,585,742.76

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Solution

The fourth proportional to 206,152,189.32, 309,228,341.50 and 60,585,742.76 is: 90,878,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,152,189.32 : 309,228,341.50 = 60,585,742.76 : x
  2. Step 2: Convert to fraction form
    206,152,189.32/309,228,341.50 = 60,585,742.76/x
  3. Step 3: Cross multiply
    206,152,189.32x = 309,228,341.50 × 60,585,742.76
  4. Step 4: Simplify right side
    206,152,189.32x = 18,734,828,752,220,432
  5. Step 5: Solve for x
    x = 18,734,828,752,220,432/206,152,189.32
  6. Step 6: Final answer
    x = 90,878,631.04

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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.