Home / 305,314,497.90-458,165,449.05-130,438,849.40

Finding the Fourth Proportional to 305,314,497.90, 458,165,449.05 and 130,438,849.40

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Solution

The fourth proportional to 305,314,497.90, 458,165,449.05 and 130,438,849.40 is: 195,741,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,314,497.90 : 458,165,449.05 = 130,438,849.40 : x
  2. Step 2: Convert to fraction form
    305,314,497.90/458,165,449.05 = 130,438,849.40/x
  3. Step 3: Cross multiply
    305,314,497.90x = 458,165,449.05 × 130,438,849.40
  4. Step 4: Simplify right side
    305,314,497.90x = 59,762,574,006,625,496
  5. Step 5: Solve for x
    x = 59,762,574,006,625,496/305,314,497.90
  6. Step 6: Final answer
    x = 195,741,029.06

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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.