Home / 99,618,807.80-149,456,205.30-48,502,494.20

Finding the Fourth Proportional to 99,618,807.80, 149,456,205.30 and 48,502,494.20

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Solution

The fourth proportional to 99,618,807.80, 149,456,205.30 and 48,502,494.20 is: 72,767,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,618,807.80 : 149,456,205.30 = 48,502,494.20 : x
  2. Step 2: Convert to fraction form
    99,618,807.80/149,456,205.30 = 48,502,494.20/x
  3. Step 3: Cross multiply
    99,618,807.80x = 149,456,205.30 × 48,502,494.20
  4. Step 4: Simplify right side
    99,618,807.80x = 7,248,998,730,717,260
  5. Step 5: Solve for x
    x = 7,248,998,730,717,260/99,618,807.80
  6. Step 6: Final answer
    x = 72,767,370.85

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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.