Home / 162,778,848.30-244,451,707.65-86,251,344.30

Finding the Fourth Proportional to 162,778,848.30, 244,451,707.65 and 86,251,344.30

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Solution

The fourth proportional to 162,778,848.30, 244,451,707.65 and 86,251,344.30 is: 129,527,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,778,848.30 : 244,451,707.65 = 86,251,344.30 : x
  2. Step 2: Convert to fraction form
    162,778,848.30/244,451,707.65 = 86,251,344.30/x
  3. Step 3: Cross multiply
    162,778,848.30x = 244,451,707.65 × 86,251,344.30
  4. Step 4: Simplify right side
    162,778,848.30x = 21,084,288,401,243,092
  5. Step 5: Solve for x
    x = 21,084,288,401,243,092/162,778,848.30
  6. Step 6: Final answer
    x = 129,527,199.76

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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.