Home / 163,316,404.20-244,974,606.30-81,687,066.60

Finding the Fourth Proportional to 163,316,404.20, 244,974,606.30 and 81,687,066.60

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Solution

The fourth proportional to 163,316,404.20, 244,974,606.30 and 81,687,066.60 is: 122,530,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,316,404.20 : 244,974,606.30 = 81,687,066.60 : x
  2. Step 2: Convert to fraction form
    163,316,404.20/244,974,606.30 = 81,687,066.60/x
  3. Step 3: Cross multiply
    163,316,404.20x = 244,974,606.30 × 81,687,066.60
  4. Step 4: Simplify right side
    163,316,404.20x = 20,011,256,980,136,880
  5. Step 5: Solve for x
    x = 20,011,256,980,136,880/163,316,404.20
  6. Step 6: Final answer
    x = 122,530,599.90

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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.