Home / 162,384,911.10-243,577,366.65-76,132,036.80

Finding the Fourth Proportional to 162,384,911.10, 243,577,366.65 and 76,132,036.80

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Solution

The fourth proportional to 162,384,911.10, 243,577,366.65 and 76,132,036.80 is: 114,198,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384,911.10 : 243,577,366.65 = 76,132,036.80 : x
  2. Step 2: Convert to fraction form
    162,384,911.10/243,577,366.65 = 76,132,036.80/x
  3. Step 3: Cross multiply
    162,384,911.10x = 243,577,366.65 × 76,132,036.80
  4. Step 4: Simplify right side
    162,384,911.10x = 18,544,041,041,444,892
  5. Step 5: Solve for x
    x = 18,544,041,041,444,892/162,384,911.10
  6. Step 6: Final answer
    x = 114,198,055.20

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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.