Home / 69,581,569.51-96,019,935.29-38,643,731.70

Finding the Fourth Proportional to 69,581,569.51, 96,019,935.29 and 38,643,731.70

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Solution

The fourth proportional to 69,581,569.51, 96,019,935.29 and 38,643,731.70 is: 53,326,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,569.51 : 96,019,935.29 = 38,643,731.70 : x
  2. Step 2: Convert to fraction form
    69,581,569.51/96,019,935.29 = 38,643,731.70/x
  3. Step 3: Cross multiply
    69,581,569.51x = 96,019,935.29 × 38,643,731.70
  4. Step 4: Simplify right side
    69,581,569.51x = 3,710,568,616,789,742
  5. Step 5: Solve for x
    x = 3,710,568,616,789,742/69,581,569.51
  6. Step 6: Final answer
    x = 53,326,888.76

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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.