Home / 49,725,748,138.90-74,589,214,107.66-13,868,323,545.12

Finding the Fourth Proportional to 49,725,748,138.90, 74,589,214,107.66 and 13,868,323,545.12

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Solution

The fourth proportional to 49,725,748,138.90, 74,589,214,107.66 and 13,868,323,545.12 is: 20,802,650,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,725,748,138.90 : 74,589,214,107.66 = 13,868,323,545.12 : x
  2. Step 2: Convert to fraction form
    49,725,748,138.90/74,589,214,107.66 = 13,868,323,545.12/x
  3. Step 3: Cross multiply
    49,725,748,138.90x = 74,589,214,107.66 × 13,868,323,545.12
  4. Step 4: Simplify right side
    49,725,748,138.90x = 1,034,427,354,221,258,211,328
  5. Step 5: Solve for x
    x = 1,034,427,354,221,258,211,328/49,725,748,138.90
  6. Step 6: Final answer
    x = 20,802,650,396.16

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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.