Home / 47,779,942.80-71,624,512.08-30,459,529.74

Finding the Fourth Proportional to 47,779,942.80, 71,624,512.08 and 30,459,529.74

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Solution

The fourth proportional to 47,779,942.80, 71,624,512.08 and 30,459,529.74 is: 45,660,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779,942.80 : 71,624,512.08 = 30,459,529.74 : x
  2. Step 2: Convert to fraction form
    47,779,942.80/71,624,512.08 = 30,459,529.74/x
  3. Step 3: Cross multiply
    47,779,942.80x = 71,624,512.08 × 30,459,529.74
  4. Step 4: Simplify right side
    47,779,942.80x = 2,181,648,955,813,749
  5. Step 5: Solve for x
    x = 2,181,648,955,813,749/47,779,942.80
  6. Step 6: Final answer
    x = 45,660,350.93

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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.