Home / 163,320,439.20-244,980,658.80-105,499,658.40

Finding the Fourth Proportional to 163,320,439.20, 244,980,658.80 and 105,499,658.40

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Solution

The fourth proportional to 163,320,439.20, 244,980,658.80 and 105,499,658.40 is: 158,249,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,320,439.20 : 244,980,658.80 = 105,499,658.40 : x
  2. Step 2: Convert to fraction form
    163,320,439.20/244,980,658.80 = 105,499,658.40/x
  3. Step 3: Cross multiply
    163,320,439.20x = 244,980,658.80 × 105,499,658.40
  4. Step 4: Simplify right side
    163,320,439.20x = 25,845,375,818,006,956
  5. Step 5: Solve for x
    x = 25,845,375,818,006,956/163,320,439.20
  6. Step 6: Final answer
    x = 158,249,487.60

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1.5x scale

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.