Home / 459,729,234.40-689,592,037.20-136,613,106.40

Finding the Fourth Proportional to 459,729,234.40, 689,592,037.20 and 136,613,106.40

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Solution

The fourth proportional to 459,729,234.40, 689,592,037.20 and 136,613,106.40 is: 204,919,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,729,234.40 : 689,592,037.20 = 136,613,106.40 : x
  2. Step 2: Convert to fraction form
    459,729,234.40/689,592,037.20 = 136,613,106.40/x
  3. Step 3: Cross multiply
    459,729,234.40x = 689,592,037.20 × 136,613,106.40
  4. Step 4: Simplify right side
    459,729,234.40x = 94,207,310,350,596,368
  5. Step 5: Solve for x
    x = 94,207,310,350,596,368/459,729,234.40
  6. Step 6: Final answer
    x = 204,919,120.43

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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.