Home / 69,870,328.97-96,421,427.87-40,098,602.97

Finding the Fourth Proportional to 69,870,328.97, 96,421,427.87 and 40,098,602.97

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Solution

The fourth proportional to 69,870,328.97, 96,421,427.87 and 40,098,602.97 is: 55,336,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,870,328.97 : 96,421,427.87 = 40,098,602.97 : x
  2. Step 2: Convert to fraction form
    69,870,328.97/96,421,427.87 = 40,098,602.97/x
  3. Step 3: Cross multiply
    69,870,328.97x = 96,421,427.87 × 40,098,602.97
  4. Step 4: Simplify right side
    69,870,328.97x = 3,866,364,554,030,266.50
  5. Step 5: Solve for x
    x = 3,866,364,554,030,266.50/69,870,328.97
  6. Step 6: Final answer
    x = 55,336,286.68

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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.