Home / 65,286,724.50-90,095,679.90-35,917,428.60

Finding the Fourth Proportional to 65,286,724.50, 90,095,679.90 and 35,917,428.60

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Solution

The fourth proportional to 65,286,724.50, 90,095,679.90 and 35,917,428.60 is: 49,566,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,286,724.50 : 90,095,679.90 = 35,917,428.60 : x
  2. Step 2: Convert to fraction form
    65,286,724.50/90,095,679.90 = 35,917,428.60/x
  3. Step 3: Cross multiply
    65,286,724.50x = 90,095,679.90 × 35,917,428.60
  4. Step 4: Simplify right side
    65,286,724.50x = 3,236,005,149,976,705.50
  5. Step 5: Solve for x
    x = 3,236,005,149,976,705.50/65,286,724.50
  6. Step 6: Final answer
    x = 49,566,051.52

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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.