Home / 79,673,059.40-119,317,999.98-45,490,800.20

Finding the Fourth Proportional to 79,673,059.40, 119,317,999.98 and 45,490,800.20

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Solution

The fourth proportional to 79,673,059.40, 119,317,999.98 and 45,490,800.20 is: 68,126,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,673,059.40 : 119,317,999.98 = 45,490,800.20 : x
  2. Step 2: Convert to fraction form
    79,673,059.40/119,317,999.98 = 45,490,800.20/x
  3. Step 3: Cross multiply
    79,673,059.40x = 119,317,999.98 × 45,490,800.20
  4. Step 4: Simplify right side
    79,673,059.40x = 5,427,871,297,353,785
  5. Step 5: Solve for x
    x = 5,427,871,297,353,785/79,673,059.40
  6. Step 6: Final answer
    x = 68,126,808.96

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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.