Home / 268,227,980.70-402,023,106.45-240,805,625.10

Finding the Fourth Proportional to 268,227,980.70, 402,023,106.45 and 240,805,625.10

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Solution

The fourth proportional to 268,227,980.70, 402,023,106.45 and 240,805,625.10 is: 360,922,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,227,980.70 : 402,023,106.45 = 240,805,625.10 : x
  2. Step 2: Convert to fraction form
    268,227,980.70/402,023,106.45 = 240,805,625.10/x
  3. Step 3: Cross multiply
    268,227,980.70x = 402,023,106.45 × 240,805,625.10
  4. Step 4: Simplify right side
    268,227,980.70x = 96,809,425,453,336,080
  5. Step 5: Solve for x
    x = 96,809,425,453,336,080/268,227,980.70
  6. Step 6: Final answer
    x = 360,922,172.25

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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.