Home / 48,456,823.80-72,685,235.70-42,977,076.60

Finding the Fourth Proportional to 48,456,823.80, 72,685,235.70 and 42,977,076.60

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Solution

The fourth proportional to 48,456,823.80, 72,685,235.70 and 42,977,076.60 is: 64,465,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456,823.80 : 72,685,235.70 = 42,977,076.60 : x
  2. Step 2: Convert to fraction form
    48,456,823.80/72,685,235.70 = 42,977,076.60/x
  3. Step 3: Cross multiply
    48,456,823.80x = 72,685,235.70 × 42,977,076.60
  4. Step 4: Simplify right side
    48,456,823.80x = 3,123,798,942,367,955
  5. Step 5: Solve for x
    x = 3,123,798,942,367,955/48,456,823.80
  6. Step 6: Final answer
    x = 64,465,614.90

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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.