Home / 223,985,448.61-309,084,135.28-124,861,811.40

Finding the Fourth Proportional to 223,985,448.61, 309,084,135.28 and 124,861,811.40

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Solution

The fourth proportional to 223,985,448.61, 309,084,135.28 and 124,861,811.40 is: 172,300,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,985,448.61 : 309,084,135.28 = 124,861,811.40 : x
  2. Step 2: Convert to fraction form
    223,985,448.61/309,084,135.28 = 124,861,811.40/x
  3. Step 3: Cross multiply
    223,985,448.61x = 309,084,135.28 × 124,861,811.40
  4. Step 4: Simplify right side
    223,985,448.61x = 38,592,805,005,751,288
  5. Step 5: Solve for x
    x = 38,592,805,005,751,288/223,985,448.61
  6. Step 6: Final answer
    x = 172,300,500.97

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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.