Home / 69,581,571.02-96,019,937.36-38,643,733.20

Finding the Fourth Proportional to 69,581,571.02, 96,019,937.36 and 38,643,733.20

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Solution

The fourth proportional to 69,581,571.02, 96,019,937.36 and 38,643,733.20 is: 53,326,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,571.02 : 96,019,937.36 = 38,643,733.20 : x
  2. Step 2: Convert to fraction form
    69,581,571.02/96,019,937.36 = 38,643,733.20/x
  3. Step 3: Cross multiply
    69,581,571.02x = 96,019,937.36 × 38,643,733.20
  4. Step 4: Simplify right side
    69,581,571.02x = 3,710,568,841,027,334
  5. Step 5: Solve for x
    x = 3,710,568,841,027,334/69,581,571.02
  6. Step 6: Final answer
    x = 53,326,890.83

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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.