Home / 137,584,257.90-206,376,386.85-55,702,977.90

Finding the Fourth Proportional to 137,584,257.90, 206,376,386.85 and 55,702,977.90

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Solution

The fourth proportional to 137,584,257.90, 206,376,386.85 and 55,702,977.90 is: 83,554,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,584,257.90 : 206,376,386.85 = 55,702,977.90 : x
  2. Step 2: Convert to fraction form
    137,584,257.90/206,376,386.85 = 55,702,977.90/x
  3. Step 3: Cross multiply
    137,584,257.90x = 206,376,386.85 × 55,702,977.90
  4. Step 4: Simplify right side
    137,584,257.90x = 11,495,779,315,787,400
  5. Step 5: Solve for x
    x = 11,495,779,315,787,400/137,584,257.90
  6. Step 6: Final answer
    x = 83,554,466.85

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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.