Home / 48,267,911.70-72,401,867.55-42,977,121.30

Finding the Fourth Proportional to 48,267,911.70, 72,401,867.55 and 42,977,121.30

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Solution

The fourth proportional to 48,267,911.70, 72,401,867.55 and 42,977,121.30 is: 64,465,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,267,911.70 : 72,401,867.55 = 42,977,121.30 : x
  2. Step 2: Convert to fraction form
    48,267,911.70/72,401,867.55 = 42,977,121.30/x
  3. Step 3: Cross multiply
    48,267,911.70x = 72,401,867.55 × 42,977,121.30
  4. Step 4: Simplify right side
    48,267,911.70x = 3,111,623,844,042,883.50
  5. Step 5: Solve for x
    x = 3,111,623,844,042,883.50/48,267,911.70
  6. Step 6: Final answer
    x = 64,465,681.95

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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.