Home / 72,426,830.80-108,640,246.20-23,912,172.40

Finding the Fourth Proportional to 72,426,830.80, 108,640,246.20 and 23,912,172.40

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Solution

The fourth proportional to 72,426,830.80, 108,640,246.20 and 23,912,172.40 is: 35,868,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,426,830.80 : 108,640,246.20 = 23,912,172.40 : x
  2. Step 2: Convert to fraction form
    72,426,830.80/108,640,246.20 = 23,912,172.40/x
  3. Step 3: Cross multiply
    72,426,830.80x = 108,640,246.20 × 23,912,172.40
  4. Step 4: Simplify right side
    72,426,830.80x = 2,597,824,296,712,845
  5. Step 5: Solve for x
    x = 2,597,824,296,712,845/72,426,830.80
  6. Step 6: Final answer
    x = 35,868,258.60

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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.