Home / 161,931,842-242,897,467.58-52,756,884.02

Finding the Fourth Proportional to 161,931,842, 242,897,467.58 and 52,756,884.02

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Solution

The fourth proportional to 161,931,842, 242,897,467.58 and 52,756,884.02 is: 79,135,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,931,842 : 242,897,467.58 = 52,756,884.02 : x
  2. Step 2: Convert to fraction form
    161,931,842/242,897,467.58 = 52,756,884.02/x
  3. Step 3: Cross multiply
    161,931,842x = 242,897,467.58 × 52,756,884.02
  4. Step 4: Simplify right side
    161,931,842x = 12,814,513,525,869,772
  5. Step 5: Solve for x
    x = 12,814,513,525,869,772/161,931,842
  6. Step 6: Final answer
    x = 79,135,229.78

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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.