Home / 49,832,012.80-74,748,019.20-15,763,801.60

Finding the Fourth Proportional to 49,832,012.80, 74,748,019.20 and 15,763,801.60

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Solution

The fourth proportional to 49,832,012.80, 74,748,019.20 and 15,763,801.60 is: 23,645,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832,012.80 : 74,748,019.20 = 15,763,801.60 : x
  2. Step 2: Convert to fraction form
    49,832,012.80/74,748,019.20 = 15,763,801.60/x
  3. Step 3: Cross multiply
    49,832,012.80x = 74,748,019.20 × 15,763,801.60
  4. Step 4: Simplify right side
    49,832,012.80x = 1,178,312,944,661,790.75
  5. Step 5: Solve for x
    x = 1,178,312,944,661,790.75/49,832,012.80
  6. Step 6: Final answer
    x = 23,645,702.40

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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.