Home / 162,778,856.80-244,451,720.40-86,251,352.80

Finding the Fourth Proportional to 162,778,856.80, 244,451,720.40 and 86,251,352.80

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Solution

The fourth proportional to 162,778,856.80, 244,451,720.40 and 86,251,352.80 is: 129,527,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,778,856.80 : 244,451,720.40 = 86,251,352.80 : x
  2. Step 2: Convert to fraction form
    162,778,856.80/244,451,720.40 = 86,251,352.80/x
  3. Step 3: Cross multiply
    162,778,856.80x = 244,451,720.40 × 86,251,352.80
  4. Step 4: Simplify right side
    162,778,856.80x = 21,084,291,578,787,356
  5. Step 5: Solve for x
    x = 21,084,291,578,787,356/162,778,856.80
  6. Step 6: Final answer
    x = 129,527,212.52

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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.