Home / 252,820,307.70-379,230,461.55-129,827,145.60

Finding the Fourth Proportional to 252,820,307.70, 379,230,461.55 and 129,827,145.60

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Solution

The fourth proportional to 252,820,307.70, 379,230,461.55 and 129,827,145.60 is: 194,740,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,820,307.70 : 379,230,461.55 = 129,827,145.60 : x
  2. Step 2: Convert to fraction form
    252,820,307.70/379,230,461.55 = 129,827,145.60/x
  3. Step 3: Cross multiply
    252,820,307.70x = 379,230,461.55 × 129,827,145.60
  4. Step 4: Simplify right side
    252,820,307.70x = 49,234,408,347,607,048
  5. Step 5: Solve for x
    x = 49,234,408,347,607,048/252,820,307.70
  6. Step 6: Final answer
    x = 194,740,718.40

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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.