Home / 47,977,391.40-71,966,087.10-39,368,047.20

Finding the Fourth Proportional to 47,977,391.40, 71,966,087.10 and 39,368,047.20

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Solution

The fourth proportional to 47,977,391.40, 71,966,087.10 and 39,368,047.20 is: 59,052,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977,391.40 : 71,966,087.10 = 39,368,047.20 : x
  2. Step 2: Convert to fraction form
    47,977,391.40/71,966,087.10 = 39,368,047.20/x
  3. Step 3: Cross multiply
    47,977,391.40x = 71,966,087.10 × 39,368,047.20
  4. Step 4: Simplify right side
    47,977,391.40x = 2,833,164,313,752,111
  5. Step 5: Solve for x
    x = 2,833,164,313,752,111/47,977,391.40
  6. Step 6: Final answer
    x = 59,052,070.80

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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.