Home / 242,337,982.60-363,497,642.70-80,779,918.60

Finding the Fourth Proportional to 242,337,982.60, 363,497,642.70 and 80,779,918.60

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Solution

The fourth proportional to 242,337,982.60, 363,497,642.70 and 80,779,918.60 is: 121,166,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,337,982.60 : 363,497,642.70 = 80,779,918.60 : x
  2. Step 2: Convert to fraction form
    242,337,982.60/363,497,642.70 = 80,779,918.60/x
  3. Step 3: Cross multiply
    242,337,982.60x = 363,497,642.70 × 80,779,918.60
  4. Step 4: Simplify right side
    242,337,982.60x = 29,363,309,988,597,880
  5. Step 5: Solve for x
    x = 29,363,309,988,597,880/242,337,982.60
  6. Step 6: Final answer
    x = 121,166,767.48

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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.