Home / 137,608,696.08-189,900,031.60-75,729,034.64

Finding the Fourth Proportional to 137,608,696.08, 189,900,031.60 and 75,729,034.64

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Solution

The fourth proportional to 137,608,696.08, 189,900,031.60 and 75,729,034.64 is: 104,506,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,608,696.08 : 189,900,031.60 = 75,729,034.64 : x
  2. Step 2: Convert to fraction form
    137,608,696.08/189,900,031.60 = 75,729,034.64/x
  3. Step 3: Cross multiply
    137,608,696.08x = 189,900,031.60 × 75,729,034.64
  4. Step 4: Simplify right side
    137,608,696.08x = 14,380,946,071,173,494
  5. Step 5: Solve for x
    x = 14,380,946,071,173,494/137,608,696.08
  6. Step 6: Final answer
    x = 104,506,084.87

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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.