Home / 82,186,823.01-113,363,191.40-52,855,260.15

Finding the Fourth Proportional to 82,186,823.01, 113,363,191.40 and 52,855,260.15

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Solution

The fourth proportional to 82,186,823.01, 113,363,191.40 and 52,855,260.15 is: 72,905,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,186,823.01 : 113,363,191.40 = 52,855,260.15 : x
  2. Step 2: Convert to fraction form
    82,186,823.01/113,363,191.40 = 52,855,260.15/x
  3. Step 3: Cross multiply
    82,186,823.01x = 113,363,191.40 × 52,855,260.15
  4. Step 4: Simplify right side
    82,186,823.01x = 5,991,840,972,616,966
  5. Step 5: Solve for x
    x = 5,991,840,972,616,966/82,186,823.01
  6. Step 6: Final answer
    x = 72,905,129.47

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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.