Home / 161,811,803.20-242,717,704.80-64,813,979.20

Finding the Fourth Proportional to 161,811,803.20, 242,717,704.80 and 64,813,979.20

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Solution

The fourth proportional to 161,811,803.20, 242,717,704.80 and 64,813,979.20 is: 97,220,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,811,803.20 : 242,717,704.80 = 64,813,979.20 : x
  2. Step 2: Convert to fraction form
    161,811,803.20/242,717,704.80 = 64,813,979.20/x
  3. Step 3: Cross multiply
    161,811,803.20x = 242,717,704.80 × 64,813,979.20
  4. Step 4: Simplify right side
    161,811,803.20x = 15,731,500,270,378,942
  5. Step 5: Solve for x
    x = 15,731,500,270,378,942/161,811,803.20
  6. Step 6: Final answer
    x = 97,220,968.80

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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.