Home / 148,756,053.70-223,134,080.55-80,731,605.70

Finding the Fourth Proportional to 148,756,053.70, 223,134,080.55 and 80,731,605.70

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Solution

The fourth proportional to 148,756,053.70, 223,134,080.55 and 80,731,605.70 is: 121,097,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,756,053.70 : 223,134,080.55 = 80,731,605.70 : x
  2. Step 2: Convert to fraction form
    148,756,053.70/223,134,080.55 = 80,731,605.70/x
  3. Step 3: Cross multiply
    148,756,053.70x = 223,134,080.55 × 80,731,605.70
  4. Step 4: Simplify right side
    148,756,053.70x = 18,013,972,609,194,640
  5. Step 5: Solve for x
    x = 18,013,972,609,194,640/148,756,053.70
  6. Step 6: Final answer
    x = 121,097,408.55

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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.