Home / 70,266,960.78-96,971,436.72-38,905,009.92

Finding the Fourth Proportional to 70,266,960.78, 96,971,436.72 and 38,905,009.92

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Solution

The fourth proportional to 70,266,960.78, 96,971,436.72 and 38,905,009.92 is: 53,690,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266,960.78 : 96,971,436.72 = 38,905,009.92 : x
  2. Step 2: Convert to fraction form
    70,266,960.78/96,971,436.72 = 38,905,009.92/x
  3. Step 3: Cross multiply
    70,266,960.78x = 96,971,436.72 × 38,905,009.92
  4. Step 4: Simplify right side
    70,266,960.78x = 3,772,674,707,548,252.50
  5. Step 5: Solve for x
    x = 3,772,674,707,548,252.50/70,266,960.78
  6. Step 6: Final answer
    x = 53,690,591.79

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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.