Home / 175,348,443.68-242,015,079.12-105,745,156.64

Finding the Fourth Proportional to 175,348,443.68, 242,015,079.12 and 105,745,156.64

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Solution

The fourth proportional to 175,348,443.68, 242,015,079.12 and 105,745,156.64 is: 145,948,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,348,443.68 : 242,015,079.12 = 105,745,156.64 : x
  2. Step 2: Convert to fraction form
    175,348,443.68/242,015,079.12 = 105,745,156.64/x
  3. Step 3: Cross multiply
    175,348,443.68x = 242,015,079.12 × 105,745,156.64
  4. Step 4: Simplify right side
    175,348,443.68x = 25,591,922,450,786,396
  5. Step 5: Solve for x
    x = 25,591,922,450,786,396/175,348,443.68
  6. Step 6: Final answer
    x = 145,948,956.91

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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.