Home / 209,844,830.80-314,767,246.20-166,006,853.20

Finding the Fourth Proportional to 209,844,830.80, 314,767,246.20 and 166,006,853.20

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Solution

The fourth proportional to 209,844,830.80, 314,767,246.20 and 166,006,853.20 is: 249,010,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,844,830.80 : 314,767,246.20 = 166,006,853.20 : x
  2. Step 2: Convert to fraction form
    209,844,830.80/314,767,246.20 = 166,006,853.20/x
  3. Step 3: Cross multiply
    209,844,830.80x = 314,767,246.20 × 166,006,853.20
  4. Step 4: Simplify right side
    209,844,830.80x = 52,253,520,032,091,656
  5. Step 5: Solve for x
    x = 52,253,520,032,091,656/209,844,830.80
  6. Step 6: Final answer
    x = 249,010,279.80

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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.