Home / 157,464,140.90-236,196,211.35-80,794,919.30

Finding the Fourth Proportional to 157,464,140.90, 236,196,211.35 and 80,794,919.30

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Solution

The fourth proportional to 157,464,140.90, 236,196,211.35 and 80,794,919.30 is: 121,192,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,140.90 : 236,196,211.35 = 80,794,919.30 : x
  2. Step 2: Convert to fraction form
    157,464,140.90/236,196,211.35 = 80,794,919.30/x
  3. Step 3: Cross multiply
    157,464,140.90x = 236,196,211.35 × 80,794,919.30
  4. Step 4: Simplify right side
    157,464,140.90x = 19,083,453,834,988,992
  5. Step 5: Solve for x
    x = 19,083,453,834,988,992/157,464,140.90
  6. Step 6: Final answer
    x = 121,192,378.95

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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.