Home / 48,510,012.80-72,765,019.20-31,291,324.40

Finding the Fourth Proportional to 48,510,012.80, 72,765,019.20 and 31,291,324.40

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Solution

The fourth proportional to 48,510,012.80, 72,765,019.20 and 31,291,324.40 is: 46,936,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,510,012.80 : 72,765,019.20 = 31,291,324.40 : x
  2. Step 2: Convert to fraction form
    48,510,012.80/72,765,019.20 = 31,291,324.40/x
  3. Step 3: Cross multiply
    48,510,012.80x = 72,765,019.20 × 31,291,324.40
  4. Step 4: Simplify right side
    48,510,012.80x = 2,276,913,820,759,428.50
  5. Step 5: Solve for x
    x = 2,276,913,820,759,428.50/48,510,012.80
  6. Step 6: Final answer
    x = 46,936,986.60

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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.