Home / 82,715,333.40-124,073,000.10-69,801,317.10

Finding the Fourth Proportional to 82,715,333.40, 124,073,000.10 and 69,801,317.10

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Solution

The fourth proportional to 82,715,333.40, 124,073,000.10 and 69,801,317.10 is: 104,701,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,333.40 : 124,073,000.10 = 69,801,317.10 : x
  2. Step 2: Convert to fraction form
    82,715,333.40/124,073,000.10 = 69,801,317.10/x
  3. Step 3: Cross multiply
    82,715,333.40x = 124,073,000.10 × 69,801,317.10
  4. Step 4: Simplify right side
    82,715,333.40x = 8,660,458,823,528,431
  5. Step 5: Solve for x
    x = 8,660,458,823,528,431/82,715,333.40
  6. Step 6: Final answer
    x = 104,701,975.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.