Home / 99,671,434.80-149,535,145.80-48,555,121.20

Finding the Fourth Proportional to 99,671,434.80, 149,535,145.80 and 48,555,121.20

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Solution

The fourth proportional to 99,671,434.80, 149,535,145.80 and 48,555,121.20 is: 72,846,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,671,434.80 : 149,535,145.80 = 48,555,121.20 : x
  2. Step 2: Convert to fraction form
    99,671,434.80/149,535,145.80 = 48,555,121.20/x
  3. Step 3: Cross multiply
    99,671,434.80x = 149,535,145.80 × 48,555,121.20
  4. Step 4: Simplify right side
    99,671,434.80x = 7,260,697,127,978,672
  5. Step 5: Solve for x
    x = 7,260,697,127,978,672/99,671,434.80
  6. Step 6: Final answer
    x = 72,846,318.93

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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.