Home / 69,581,609.51-96,019,990.31-38,643,771.69

Finding the Fourth Proportional to 69,581,609.51, 96,019,990.31 and 38,643,771.69

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Solution

The fourth proportional to 69,581,609.51, 96,019,990.31 and 38,643,771.69 is: 53,326,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,609.51 : 96,019,990.31 = 38,643,771.69 : x
  2. Step 2: Convert to fraction form
    69,581,609.51/96,019,990.31 = 38,643,771.69/x
  3. Step 3: Cross multiply
    69,581,609.51x = 96,019,990.31 × 38,643,771.69
  4. Step 4: Simplify right side
    69,581,609.51x = 3,710,574,583,312,261.50
  5. Step 5: Solve for x
    x = 3,710,574,583,312,261.50/69,581,609.51
  6. Step 6: Final answer
    x = 53,326,943.85

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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.