Home / 268,373,376.40-402,560,064.60-242,013,902.80

Finding the Fourth Proportional to 268,373,376.40, 402,560,064.60 and 242,013,902.80

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Solution

The fourth proportional to 268,373,376.40, 402,560,064.60 and 242,013,902.80 is: 363,020,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,373,376.40 : 402,560,064.60 = 242,013,902.80 : x
  2. Step 2: Convert to fraction form
    268,373,376.40/402,560,064.60 = 242,013,902.80/x
  3. Step 3: Cross multiply
    268,373,376.40x = 402,560,064.60 × 242,013,902.80
  4. Step 4: Simplify right side
    268,373,376.40x = 97,425,132,345,266,128
  5. Step 5: Solve for x
    x = 97,425,132,345,266,128/268,373,376.40
  6. Step 6: Final answer
    x = 363,020,854.20

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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.