Home / 268,227,985.20-402,023,113.20-240,805,629.60

Finding the Fourth Proportional to 268,227,985.20, 402,023,113.20 and 240,805,629.60

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Solution

The fourth proportional to 268,227,985.20, 402,023,113.20 and 240,805,629.60 is: 360,922,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,227,985.20 : 402,023,113.20 = 240,805,629.60 : x
  2. Step 2: Convert to fraction form
    268,227,985.20/402,023,113.20 = 240,805,629.60/x
  3. Step 3: Cross multiply
    268,227,985.20x = 402,023,113.20 × 240,805,629.60
  4. Step 4: Simplify right side
    268,227,985.20x = 96,809,428,887,878,064
  5. Step 5: Solve for x
    x = 96,809,428,887,878,064/268,227,985.20
  6. Step 6: Final answer
    x = 360,922,179.00

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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.