Home / 74,845,231.20-112,383,320.40-40,833,007.20

Finding the Fourth Proportional to 74,845,231.20, 112,383,320.40 and 40,833,007.20

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Solution

The fourth proportional to 74,845,231.20, 112,383,320.40 and 40,833,007.20 is: 61,312,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,845,231.20 : 112,383,320.40 = 40,833,007.20 : x
  2. Step 2: Convert to fraction form
    74,845,231.20/112,383,320.40 = 40,833,007.20/x
  3. Step 3: Cross multiply
    74,845,231.20x = 112,383,320.40 × 40,833,007.20
  4. Step 4: Simplify right side
    74,845,231.20x = 4,588,948,931,053,107
  5. Step 5: Solve for x
    x = 4,588,948,931,053,107/74,845,231.20
  6. Step 6: Final answer
    x = 61,312,509.26

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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.