Home / 47,779,945.80-71,624,516.58-30,459,532.74

Finding the Fourth Proportional to 47,779,945.80, 71,624,516.58 and 30,459,532.74

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Solution

The fourth proportional to 47,779,945.80, 71,624,516.58 and 30,459,532.74 is: 45,660,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779,945.80 : 71,624,516.58 = 30,459,532.74 : x
  2. Step 2: Convert to fraction form
    47,779,945.80/71,624,516.58 = 30,459,532.74/x
  3. Step 3: Cross multiply
    47,779,945.80x = 71,624,516.58 × 30,459,532.74
  4. Step 4: Simplify right side
    47,779,945.80x = 2,181,649,307,755,182.75
  5. Step 5: Solve for x
    x = 2,181,649,307,755,182.75/47,779,945.80
  6. Step 6: Final answer
    x = 45,660,355.43

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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.