Home / 47,580,456.30-71,290,968.30-40,724,867.40

Finding the Fourth Proportional to 47,580,456.30, 71,290,968.30 and 40,724,867.40

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Solution

The fourth proportional to 47,580,456.30, 71,290,968.30 and 40,724,867.40 is: 61,019,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580,456.30 : 71,290,968.30 = 40,724,867.40 : x
  2. Step 2: Convert to fraction form
    47,580,456.30/71,290,968.30 = 40,724,867.40/x
  3. Step 3: Cross multiply
    47,580,456.30x = 71,290,968.30 × 40,724,867.40
  4. Step 4: Simplify right side
    47,580,456.30x = 2,903,315,230,835,103
  5. Step 5: Solve for x
    x = 2,903,315,230,835,103/47,580,456.30
  6. Step 6: Final answer
    x = 61,019,070.78

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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.