Home / 109,255,512.70-163,883,269.05-84,862,370.80

Finding the Fourth Proportional to 109,255,512.70, 163,883,269.05 and 84,862,370.80

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Solution

The fourth proportional to 109,255,512.70, 163,883,269.05 and 84,862,370.80 is: 127,293,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,255,512.70 : 163,883,269.05 = 84,862,370.80 : x
  2. Step 2: Convert to fraction form
    109,255,512.70/163,883,269.05 = 84,862,370.80/x
  3. Step 3: Cross multiply
    109,255,512.70x = 163,883,269.05 × 84,862,370.80
  4. Step 4: Simplify right side
    109,255,512.70x = 13,907,522,746,037,264
  5. Step 5: Solve for x
    x = 13,907,522,746,037,264/109,255,512.70
  6. Step 6: Final answer
    x = 127,293,556.20

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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.