Home / 363,432,020.40-545,148,030.60-169,278,908.40

Finding the Fourth Proportional to 363,432,020.40, 545,148,030.60 and 169,278,908.40

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Solution

The fourth proportional to 363,432,020.40, 545,148,030.60 and 169,278,908.40 is: 253,918,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,432,020.40 : 545,148,030.60 = 169,278,908.40 : x
  2. Step 2: Convert to fraction form
    363,432,020.40/545,148,030.60 = 169,278,908.40/x
  3. Step 3: Cross multiply
    363,432,020.40x = 545,148,030.60 × 169,278,908.40
  4. Step 4: Simplify right side
    363,432,020.40x = 92,282,063,536,377,808
  5. Step 5: Solve for x
    x = 92,282,063,536,377,808/363,432,020.40
  6. Step 6: Final answer
    x = 253,918,362.60

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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.