Home / 71,260,296.40-106,890,444.60-61,056,629.20

Finding the Fourth Proportional to 71,260,296.40, 106,890,444.60 and 61,056,629.20

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Solution

The fourth proportional to 71,260,296.40, 106,890,444.60 and 61,056,629.20 is: 91,584,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,260,296.40 : 106,890,444.60 = 61,056,629.20 : x
  2. Step 2: Convert to fraction form
    71,260,296.40/106,890,444.60 = 61,056,629.20/x
  3. Step 3: Cross multiply
    71,260,296.40x = 106,890,444.60 × 61,056,629.20
  4. Step 4: Simplify right side
    71,260,296.40x = 6,526,370,240,965,342
  5. Step 5: Solve for x
    x = 6,526,370,240,965,342/71,260,296.40
  6. Step 6: Final answer
    x = 91,584,943.80

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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.