Home / 129,488,199.20-194,232,298.80-88,673,530.40

Finding the Fourth Proportional to 129,488,199.20, 194,232,298.80 and 88,673,530.40

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Solution

The fourth proportional to 129,488,199.20, 194,232,298.80 and 88,673,530.40 is: 133,010,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,488,199.20 : 194,232,298.80 = 88,673,530.40 : x
  2. Step 2: Convert to fraction form
    129,488,199.20/194,232,298.80 = 88,673,530.40/x
  3. Step 3: Cross multiply
    129,488,199.20x = 194,232,298.80 × 88,673,530.40
  4. Step 4: Simplify right side
    129,488,199.20x = 17,223,263,652,303,686
  5. Step 5: Solve for x
    x = 17,223,263,652,303,686/129,488,199.20
  6. Step 6: Final answer
    x = 133,010,295.60

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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.