Home / 48,267,931.20-72,401,896.80-42,977,140.80

Finding the Fourth Proportional to 48,267,931.20, 72,401,896.80 and 42,977,140.80

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Solution

The fourth proportional to 48,267,931.20, 72,401,896.80 and 42,977,140.80 is: 64,465,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,267,931.20 : 72,401,896.80 = 42,977,140.80 : x
  2. Step 2: Convert to fraction form
    48,267,931.20/72,401,896.80 = 42,977,140.80/x
  3. Step 3: Cross multiply
    48,267,931.20x = 72,401,896.80 × 42,977,140.80
  4. Step 4: Simplify right side
    48,267,931.20x = 3,111,626,512,960,669
  5. Step 5: Solve for x
    x = 3,111,626,512,960,669/48,267,931.20
  6. Step 6: Final answer
    x = 64,465,711.20

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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.