Home / 141,427,272.60-195,168,224.93-78,702,296.89

Finding the Fourth Proportional to 141,427,272.60, 195,168,224.93 and 78,702,296.89

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Solution

The fourth proportional to 141,427,272.60, 195,168,224.93 and 78,702,296.89 is: 108,608,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,427,272.60 : 195,168,224.93 = 78,702,296.89 : x
  2. Step 2: Convert to fraction form
    141,427,272.60/195,168,224.93 = 78,702,296.89/x
  3. Step 3: Cross multiply
    141,427,272.60x = 195,168,224.93 × 78,702,296.89
  4. Step 4: Simplify right side
    141,427,272.60x = 15,360,187,581,643,996
  5. Step 5: Solve for x
    x = 15,360,187,581,643,996/141,427,272.60
  6. Step 6: Final answer
    x = 108,608,384.36

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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.