Home / 47,580,450.30-71,290,959.30-40,724,861.40

Finding the Fourth Proportional to 47,580,450.30, 71,290,959.30 and 40,724,861.40

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Solution

The fourth proportional to 47,580,450.30, 71,290,959.30 and 40,724,861.40 is: 61,019,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580,450.30 : 71,290,959.30 = 40,724,861.40 : x
  2. Step 2: Convert to fraction form
    47,580,450.30/71,290,959.30 = 40,724,861.40/x
  3. Step 3: Cross multiply
    47,580,450.30x = 71,290,959.30 × 40,724,861.40
  4. Step 4: Simplify right side
    47,580,450.30x = 2,903,314,436,565,541
  5. Step 5: Solve for x
    x = 2,903,314,436,565,541/47,580,450.30
  6. Step 6: Final answer
    x = 61,019,061.78

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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.