Home / 145,516,704.80-218,305,383.60-48,502,551.20

Finding the Fourth Proportional to 145,516,704.80, 218,305,383.60 and 48,502,551.20

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Solution

The fourth proportional to 145,516,704.80, 218,305,383.60 and 48,502,551.20 is: 72,763,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,516,704.80 : 218,305,383.60 = 48,502,551.20 : x
  2. Step 2: Convert to fraction form
    145,516,704.80/218,305,383.60 = 48,502,551.20/x
  3. Step 3: Cross multiply
    145,516,704.80x = 218,305,383.60 × 48,502,551.20
  4. Step 4: Simplify right side
    145,516,704.80x = 10,588,368,045,294,640
  5. Step 5: Solve for x
    x = 10,588,368,045,294,640/145,516,704.80
  6. Step 6: Final answer
    x = 72,763,934.97

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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.