Home / 135,990,031.80-204,032,286.90-59,368,049.40

Finding the Fourth Proportional to 135,990,031.80, 204,032,286.90 and 59,368,049.40

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Solution

The fourth proportional to 135,990,031.80, 204,032,286.90 and 59,368,049.40 is: 89,072,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,990,031.80 : 204,032,286.90 = 59,368,049.40 : x
  2. Step 2: Convert to fraction form
    135,990,031.80/204,032,286.90 = 59,368,049.40/x
  3. Step 3: Cross multiply
    135,990,031.80x = 204,032,286.90 × 59,368,049.40
  4. Step 4: Simplify right side
    135,990,031.80x = 12,112,998,887,874,172
  5. Step 5: Solve for x
    x = 12,112,998,887,874,172/135,990,031.80
  6. Step 6: Final answer
    x = 89,072,696.93

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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.