Home / 69,013,269.70-103,519,904.55-53,088,021.70

Finding the Fourth Proportional to 69,013,269.70, 103,519,904.55 and 53,088,021.70

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Solution

The fourth proportional to 69,013,269.70, 103,519,904.55 and 53,088,021.70 is: 79,632,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013,269.70 : 103,519,904.55 = 53,088,021.70 : x
  2. Step 2: Convert to fraction form
    69,013,269.70/103,519,904.55 = 53,088,021.70/x
  3. Step 3: Cross multiply
    69,013,269.70x = 103,519,904.55 × 53,088,021.70
  4. Step 4: Simplify right side
    69,013,269.70x = 5,495,666,939,132,329
  5. Step 5: Solve for x
    x = 5,495,666,939,132,329/69,013,269.70
  6. Step 6: Final answer
    x = 79,632,032.55

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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.