Home / 206,549,373.80-285,043,247.25-112,468,678.39

Finding the Fourth Proportional to 206,549,373.80, 285,043,247.25 and 112,468,678.39

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Solution

The fourth proportional to 206,549,373.80, 285,043,247.25 and 112,468,678.39 is: 155,209,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,549,373.80 : 285,043,247.25 = 112,468,678.39 : x
  2. Step 2: Convert to fraction form
    206,549,373.80/285,043,247.25 = 112,468,678.39/x
  3. Step 3: Cross multiply
    206,549,373.80x = 285,043,247.25 × 112,468,678.39
  4. Step 4: Simplify right side
    206,549,373.80x = 32,058,437,300,776,288
  5. Step 5: Solve for x
    x = 32,058,437,300,776,288/206,549,373.80
  6. Step 6: Final answer
    x = 155,209,559.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.