Home / 69,581,577.58-96,019,946.42-38,643,739.78

Finding the Fourth Proportional to 69,581,577.58, 96,019,946.42 and 38,643,739.78

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Solution

The fourth proportional to 69,581,577.58, 96,019,946.42 and 38,643,739.78 is: 53,326,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,577.58 : 96,019,946.42 = 38,643,739.78 : x
  2. Step 2: Convert to fraction form
    69,581,577.58/96,019,946.42 = 38,643,739.78/x
  3. Step 3: Cross multiply
    69,581,577.58x = 96,019,946.42 × 38,643,739.78
  4. Step 4: Simplify right side
    69,581,577.58x = 3,710,569,823,144,023
  5. Step 5: Solve for x
    x = 3,710,569,823,144,023/69,581,577.58
  6. Step 6: Final answer
    x = 53,326,899.91

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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.