Home / 156,640,216.38-216,150,825.60-90,564,954

Finding the Fourth Proportional to 156,640,216.38, 216,150,825.60 and 90,564,954

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Solution

The fourth proportional to 156,640,216.38, 216,150,825.60 and 90,564,954 is: 124,972,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,640,216.38 : 216,150,825.60 = 90,564,954 : x
  2. Step 2: Convert to fraction form
    156,640,216.38/216,150,825.60 = 90,564,954/x
  3. Step 3: Cross multiply
    156,640,216.38x = 216,150,825.60 × 90,564,954
  4. Step 4: Simplify right side
    156,640,216.38x = 19,575,689,577,526,020
  5. Step 5: Solve for x
    x = 19,575,689,577,526,020/156,640,216.38
  6. Step 6: Final answer
    x = 124,972,309.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.