Home / 209,916,979.20-314,875,468.80-156,169,267.20

Finding the Fourth Proportional to 209,916,979.20, 314,875,468.80 and 156,169,267.20

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Solution

The fourth proportional to 209,916,979.20, 314,875,468.80 and 156,169,267.20 is: 234,253,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,916,979.20 : 314,875,468.80 = 156,169,267.20 : x
  2. Step 2: Convert to fraction form
    209,916,979.20/314,875,468.80 = 156,169,267.20/x
  3. Step 3: Cross multiply
    209,916,979.20x = 314,875,468.80 × 156,169,267.20
  4. Step 4: Simplify right side
    209,916,979.20x = 49,173,871,221,752,464
  5. Step 5: Solve for x
    x = 49,173,871,221,752,464/209,916,979.20
  6. Step 6: Final answer
    x = 234,253,900.80

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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.