Home / 99,846,842.40-149,784,260.40-39,248,474.40

Finding the Fourth Proportional to 99,846,842.40, 149,784,260.40 and 39,248,474.40

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Solution

The fourth proportional to 99,846,842.40, 149,784,260.40 and 39,248,474.40 is: 58,878,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,846,842.40 : 149,784,260.40 = 39,248,474.40 : x
  2. Step 2: Convert to fraction form
    99,846,842.40/149,784,260.40 = 39,248,474.40/x
  3. Step 3: Cross multiply
    99,846,842.40x = 149,784,260.40 × 39,248,474.40
  4. Step 4: Simplify right side
    99,846,842.40x = 5,878,803,709,832,334
  5. Step 5: Solve for x
    x = 5,878,803,709,832,334/99,846,842.40
  6. Step 6: Final answer
    x = 58,878,213.56

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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.