Home / 154,480,098.40-231,720,147.60-46,780,079.20

Finding the Fourth Proportional to 154,480,098.40, 231,720,147.60 and 46,780,079.20

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Solution

The fourth proportional to 154,480,098.40, 231,720,147.60 and 46,780,079.20 is: 70,170,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,480,098.40 : 231,720,147.60 = 46,780,079.20 : x
  2. Step 2: Convert to fraction form
    154,480,098.40/231,720,147.60 = 46,780,079.20/x
  3. Step 3: Cross multiply
    154,480,098.40x = 231,720,147.60 × 46,780,079.20
  4. Step 4: Simplify right side
    154,480,098.40x = 10,839,886,856,963,690
  5. Step 5: Solve for x
    x = 10,839,886,856,963,690/154,480,098.40
  6. Step 6: Final answer
    x = 70,170,118.80

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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.