Home / 145,822,461.20-218,817,672.60-55,011,222.80

Finding the Fourth Proportional to 145,822,461.20, 218,817,672.60 and 55,011,222.80

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Solution

The fourth proportional to 145,822,461.20, 218,817,672.60 and 55,011,222.80 is: 82,548,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,822,461.20 : 218,817,672.60 = 55,011,222.80 : x
  2. Step 2: Convert to fraction form
    145,822,461.20/218,817,672.60 = 55,011,222.80/x
  3. Step 3: Cross multiply
    145,822,461.20x = 218,817,672.60 × 55,011,222.80
  4. Step 4: Simplify right side
    145,822,461.20x = 12,037,427,739,976,054
  5. Step 5: Solve for x
    x = 12,037,427,739,976,054/145,822,461.20
  6. Step 6: Final answer
    x = 82,548,515.78

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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.