Home / 279,451,799.35-385,645,000.73-160,364,909.50

Finding the Fourth Proportional to 279,451,799.35, 385,645,000.73 and 160,364,909.50

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Solution

The fourth proportional to 279,451,799.35, 385,645,000.73 and 160,364,909.50 is: 221,304,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,451,799.35 : 385,645,000.73 = 160,364,909.50 : x
  2. Step 2: Convert to fraction form
    279,451,799.35/385,645,000.73 = 160,364,909.50/x
  3. Step 3: Cross multiply
    279,451,799.35x = 385,645,000.73 × 160,364,909.50
  4. Step 4: Simplify right side
    279,451,799.35x = 61,843,925,639,427,952
  5. Step 5: Solve for x
    x = 61,843,925,639,427,952/279,451,799.35
  6. Step 6: Final answer
    x = 221,304,446.00

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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.