Home / 108,364,017.75-149,542,344.51-64,903,953.75

Finding the Fourth Proportional to 108,364,017.75, 149,542,344.51 and 64,903,953.75

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Solution

The fourth proportional to 108,364,017.75, 149,542,344.51 and 64,903,953.75 is: 89,567,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,364,017.75 : 149,542,344.51 = 64,903,953.75 : x
  2. Step 2: Convert to fraction form
    108,364,017.75/149,542,344.51 = 64,903,953.75/x
  3. Step 3: Cross multiply
    108,364,017.75x = 149,542,344.51 × 64,903,953.75
  4. Step 4: Simplify right side
    108,364,017.75x = 9,705,889,411,743,606
  5. Step 5: Solve for x
    x = 9,705,889,411,743,606/108,364,017.75
  6. Step 6: Final answer
    x = 89,567,456.18

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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.