Home / 268,015,307.60-402,022,961.40-131,966,411.60

Finding the Fourth Proportional to 268,015,307.60, 402,022,961.40 and 131,966,411.60

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Solution

The fourth proportional to 268,015,307.60, 402,022,961.40 and 131,966,411.60 is: 197,949,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,015,307.60 : 402,022,961.40 = 131,966,411.60 : x
  2. Step 2: Convert to fraction form
    268,015,307.60/402,022,961.40 = 131,966,411.60/x
  3. Step 3: Cross multiply
    268,015,307.60x = 402,022,961.40 × 131,966,411.60
  4. Step 4: Simplify right side
    268,015,307.60x = 53,053,527,596,763,304
  5. Step 5: Solve for x
    x = 53,053,527,596,763,304/268,015,307.60
  6. Step 6: Final answer
    x = 197,949,617.40

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1.5x scale

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.