Home / 70,351,939.32-97,085,685.45-38,992,012.94

Finding the Fourth Proportional to 70,351,939.32, 97,085,685.45 and 38,992,012.94

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Solution

The fourth proportional to 70,351,939.32, 97,085,685.45 and 38,992,012.94 is: 53,808,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,939.32 : 97,085,685.45 = 38,992,012.94 : x
  2. Step 2: Convert to fraction form
    70,351,939.32/97,085,685.45 = 38,992,012.94/x
  3. Step 3: Cross multiply
    70,351,939.32x = 97,085,685.45 × 38,992,012.94
  4. Step 4: Simplify right side
    70,351,939.32x = 3,785,566,303,744,104
  5. Step 5: Solve for x
    x = 3,785,566,303,744,104/70,351,939.32
  6. Step 6: Final answer
    x = 53,808,982.96

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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.