Home / 157,905,932.80-237,257,030.40-100,425,740.80

Finding the Fourth Proportional to 157,905,932.80, 237,257,030.40 and 100,425,740.80

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Solution

The fourth proportional to 157,905,932.80, 237,257,030.40 and 100,425,740.80 is: 150,891,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,905,932.80 : 237,257,030.40 = 100,425,740.80 : x
  2. Step 2: Convert to fraction form
    157,905,932.80/237,257,030.40 = 100,425,740.80/x
  3. Step 3: Cross multiply
    157,905,932.80x = 237,257,030.40 × 100,425,740.80
  4. Step 4: Simplify right side
    157,905,932.80x = 23,826,713,037,928,120
  5. Step 5: Solve for x
    x = 23,826,713,037,928,120/157,905,932.80
  6. Step 6: Final answer
    x = 150,891,816.51

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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.