Home / 31,808,188.80-47,656,065.60-30,755,721.60

Finding the Fourth Proportional to 31,808,188.80, 47,656,065.60 and 30,755,721.60

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Solution

The fourth proportional to 31,808,188.80, 47,656,065.60 and 30,755,721.60 is: 46,079,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808,188.80 : 47,656,065.60 = 30,755,721.60 : x
  2. Step 2: Convert to fraction form
    31,808,188.80/47,656,065.60 = 30,755,721.60/x
  3. Step 3: Cross multiply
    31,808,188.80x = 47,656,065.60 × 30,755,721.60
  4. Step 4: Simplify right side
    31,808,188.80x = 1,465,696,686,144,937
  5. Step 5: Solve for x
    x = 1,465,696,686,144,937/31,808,188.80
  6. Step 6: Final answer
    x = 46,079,224.92

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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.