Home / 85,292,109.80-127,859,694.10-46,373,688.92

Finding the Fourth Proportional to 85,292,109.80, 127,859,694.10 and 46,373,688.92

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Solution

The fourth proportional to 85,292,109.80, 127,859,694.10 and 46,373,688.92 is: 69,517,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292,109.80 : 127,859,694.10 = 46,373,688.92 : x
  2. Step 2: Convert to fraction form
    85,292,109.80/127,859,694.10 = 46,373,688.92/x
  3. Step 3: Cross multiply
    85,292,109.80x = 127,859,694.10 × 46,373,688.92
  4. Step 4: Simplify right side
    85,292,109.80x = 5,929,325,679,599,759
  5. Step 5: Solve for x
    x = 5,929,325,679,599,759/85,292,109.80
  6. Step 6: Final answer
    x = 69,517,868.58

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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.