Home / 85,193,868.60-127,790,802.90-58,320,012.60

Finding the Fourth Proportional to 85,193,868.60, 127,790,802.90 and 58,320,012.60

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Solution

The fourth proportional to 85,193,868.60, 127,790,802.90 and 58,320,012.60 is: 87,480,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193,868.60 : 127,790,802.90 = 58,320,012.60 : x
  2. Step 2: Convert to fraction form
    85,193,868.60/127,790,802.90 = 58,320,012.60/x
  3. Step 3: Cross multiply
    85,193,868.60x = 127,790,802.90 × 58,320,012.60
  4. Step 4: Simplify right side
    85,193,868.60x = 7,452,761,235,292,117
  5. Step 5: Solve for x
    x = 7,452,761,235,292,117/85,193,868.60
  6. Step 6: Final answer
    x = 87,480,018.90

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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.