Home / 70,085,525.76-96,717,006.72-39,146,135.04

Finding the Fourth Proportional to 70,085,525.76, 96,717,006.72 and 39,146,135.04

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Solution

The fourth proportional to 70,085,525.76, 96,717,006.72 and 39,146,135.04 is: 54,021,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,085,525.76 : 96,717,006.72 = 39,146,135.04 : x
  2. Step 2: Convert to fraction form
    70,085,525.76/96,717,006.72 = 39,146,135.04/x
  3. Step 3: Cross multiply
    70,085,525.76x = 96,717,006.72 × 39,146,135.04
  4. Step 4: Simplify right side
    70,085,525.76x = 3,786,097,005,725,707.50
  5. Step 5: Solve for x
    x = 3,786,097,005,725,707.50/70,085,525.76
  6. Step 6: Final answer
    x = 54,021,097.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.