Home / 158,739,808.41-237,988,603.85-72,417,846.78

Finding the Fourth Proportional to 158,739,808.41, 237,988,603.85 and 72,417,846.78

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Solution

The fourth proportional to 158,739,808.41, 237,988,603.85 and 72,417,846.78 is: 108,571,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739,808.41 : 237,988,603.85 = 72,417,846.78 : x
  2. Step 2: Convert to fraction form
    158,739,808.41/237,988,603.85 = 72,417,846.78/x
  3. Step 3: Cross multiply
    158,739,808.41x = 237,988,603.85 × 72,417,846.78
  4. Step 4: Simplify right side
    158,739,808.41x = 17,234,622,248,633,330
  5. Step 5: Solve for x
    x = 17,234,622,248,633,330/158,739,808.41
  6. Step 6: Final answer
    x = 108,571,519.78

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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.