Home / 148,756,052.70-223,134,079.05-80,731,604.70

Finding the Fourth Proportional to 148,756,052.70, 223,134,079.05 and 80,731,604.70

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Solution

The fourth proportional to 148,756,052.70, 223,134,079.05 and 80,731,604.70 is: 121,097,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,756,052.70 : 223,134,079.05 = 80,731,604.70 : x
  2. Step 2: Convert to fraction form
    148,756,052.70/223,134,079.05 = 80,731,604.70/x
  3. Step 3: Cross multiply
    148,756,052.70x = 223,134,079.05 × 80,731,604.70
  4. Step 4: Simplify right side
    148,756,052.70x = 18,013,972,264,963,154
  5. Step 5: Solve for x
    x = 18,013,972,264,963,154/148,756,052.70
  6. Step 6: Final answer
    x = 121,097,407.05

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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.