Home / 71,259,687.40-106,889,531.10-61,056,020.20

Finding the Fourth Proportional to 71,259,687.40, 106,889,531.10 and 61,056,020.20

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Solution

The fourth proportional to 71,259,687.40, 106,889,531.10 and 61,056,020.20 is: 91,584,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,259,687.40 : 106,889,531.10 = 61,056,020.20 : x
  2. Step 2: Convert to fraction form
    71,259,687.40/106,889,531.10 = 61,056,020.20/x
  3. Step 3: Cross multiply
    71,259,687.40x = 106,889,531.10 × 61,056,020.20
  4. Step 4: Simplify right side
    71,259,687.40x = 6,526,249,370,010,128
  5. Step 5: Solve for x
    x = 6,526,249,370,010,128/71,259,687.40
  6. Step 6: Final answer
    x = 91,584,030.30

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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.