Home / 70,767,382.18-97,662,129.70-39,829,555.30

Finding the Fourth Proportional to 70,767,382.18, 97,662,129.70 and 39,829,555.30

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Solution

The fourth proportional to 70,767,382.18, 97,662,129.70 and 39,829,555.30 is: 54,966,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767,382.18 : 97,662,129.70 = 39,829,555.30 : x
  2. Step 2: Convert to fraction form
    70,767,382.18/97,662,129.70 = 39,829,555.30/x
  3. Step 3: Cross multiply
    70,767,382.18x = 97,662,129.70 × 39,829,555.30
  4. Step 4: Simplify right side
    70,767,382.18x = 3,889,839,195,601,922
  5. Step 5: Solve for x
    x = 3,889,839,195,601,922/70,767,382.18
  6. Step 6: Final answer
    x = 54,966,554.87

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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.