Home / 74,358,475.20-111,537,712.80-19,770,955.20

Finding the Fourth Proportional to 74,358,475.20, 111,537,712.80 and 19,770,955.20

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Solution

The fourth proportional to 74,358,475.20, 111,537,712.80 and 19,770,955.20 is: 29,656,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,358,475.20 : 111,537,712.80 = 19,770,955.20 : x
  2. Step 2: Convert to fraction form
    74,358,475.20/111,537,712.80 = 19,770,955.20/x
  3. Step 3: Cross multiply
    74,358,475.20x = 111,537,712.80 × 19,770,955.20
  4. Step 4: Simplify right side
    74,358,475.20x = 2,205,207,122,879,266.50
  5. Step 5: Solve for x
    x = 2,205,207,122,879,266.50/74,358,475.20
  6. Step 6: Final answer
    x = 29,656,432.80

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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.