Home / 99,740,642.40-149,484,992.40-48,512,354.40

Finding the Fourth Proportional to 99,740,642.40, 149,484,992.40 and 48,512,354.40

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Solution

The fourth proportional to 99,740,642.40, 149,484,992.40 and 48,512,354.40 is: 72,707,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,740,642.40 : 149,484,992.40 = 48,512,354.40 : x
  2. Step 2: Convert to fraction form
    99,740,642.40/149,484,992.40 = 48,512,354.40/x
  3. Step 3: Cross multiply
    99,740,642.40x = 149,484,992.40 × 48,512,354.40
  4. Step 4: Simplify right side
    99,740,642.40x = 7,251,868,928,790,107
  5. Step 5: Solve for x
    x = 7,251,868,928,790,107/99,740,642.40
  6. Step 6: Final answer
    x = 72,707,261.10

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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.