Home / 71,259,736.40-106,952,590.20-61,056,069.20

Finding the Fourth Proportional to 71,259,736.40, 106,952,590.20 and 61,056,069.20

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Solution

The fourth proportional to 71,259,736.40, 106,952,590.20 and 61,056,069.20 is: 91,638,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,259,736.40 : 106,952,590.20 = 61,056,069.20 : x
  2. Step 2: Convert to fraction form
    71,259,736.40/106,952,590.20 = 61,056,069.20/x
  3. Step 3: Cross multiply
    71,259,736.40x = 106,952,590.20 × 61,056,069.20
  4. Step 4: Simplify right side
    71,259,736.40x = 6,530,104,748,370,442
  5. Step 5: Solve for x
    x = 6,530,104,748,370,442/71,259,736.40
  6. Step 6: Final answer
    x = 91,638,070.50

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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.