Home / 69,581,569.32-96,019,935.03-38,643,731.51

Finding the Fourth Proportional to 69,581,569.32, 96,019,935.03 and 38,643,731.51

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Solution

The fourth proportional to 69,581,569.32, 96,019,935.03 and 38,643,731.51 is: 53,326,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,569.32 : 96,019,935.03 = 38,643,731.51 : x
  2. Step 2: Convert to fraction form
    69,581,569.32/96,019,935.03 = 38,643,731.51/x
  3. Step 3: Cross multiply
    69,581,569.32x = 96,019,935.03 × 38,643,731.51
  4. Step 4: Simplify right side
    69,581,569.32x = 3,710,568,588,786,939
  5. Step 5: Solve for x
    x = 3,710,568,588,786,939/69,581,569.32
  6. Step 6: Final answer
    x = 53,326,888.50

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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.