Home / 157,905,846.80-237,256,901.40-100,425,654.80

Finding the Fourth Proportional to 157,905,846.80, 237,256,901.40 and 100,425,654.80

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Solution

The fourth proportional to 157,905,846.80, 237,256,901.40 and 100,425,654.80 is: 150,891,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,905,846.80 : 237,256,901.40 = 100,425,654.80 : x
  2. Step 2: Convert to fraction form
    157,905,846.80/237,256,901.40 = 100,425,654.80/x
  3. Step 3: Cross multiply
    157,905,846.80x = 237,256,901.40 × 100,425,654.80
  4. Step 4: Simplify right side
    157,905,846.80x = 23,826,679,678,914,036
  5. Step 5: Solve for x
    x = 23,826,679,678,914,036/157,905,846.80
  6. Step 6: Final answer
    x = 150,891,687.43

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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.