Home / 69,875,986.69-96,436,037.19-42,007,718.94

Finding the Fourth Proportional to 69,875,986.69, 96,436,037.19 and 42,007,718.94

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Solution

The fourth proportional to 69,875,986.69, 96,436,037.19 and 42,007,718.94 is: 57,974,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,875,986.69 : 96,436,037.19 = 42,007,718.94 : x
  2. Step 2: Convert to fraction form
    69,875,986.69/96,436,037.19 = 42,007,718.94/x
  3. Step 3: Cross multiply
    69,875,986.69x = 96,436,037.19 × 42,007,718.94
  4. Step 4: Simplify right side
    69,875,986.69x = 4,051,057,945,964,907
  5. Step 5: Solve for x
    x = 4,051,057,945,964,907/69,875,986.69
  6. Step 6: Final answer
    x = 57,974,965.91

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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.