Home / 89,455,726.80-134,183,590.20-38,342,912.40

Finding the Fourth Proportional to 89,455,726.80, 134,183,590.20 and 38,342,912.40

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Solution

The fourth proportional to 89,455,726.80, 134,183,590.20 and 38,342,912.40 is: 57,514,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455,726.80 : 134,183,590.20 = 38,342,912.40 : x
  2. Step 2: Convert to fraction form
    89,455,726.80/134,183,590.20 = 38,342,912.40/x
  3. Step 3: Cross multiply
    89,455,726.80x = 134,183,590.20 × 38,342,912.40
  4. Step 4: Simplify right side
    89,455,726.80x = 5,144,989,644,556,098
  5. Step 5: Solve for x
    x = 5,144,989,644,556,098/89,455,726.80
  6. Step 6: Final answer
    x = 57,514,368.60

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1.5x scale

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.