Home / 69,581,587.10-96,019,959.50-38,643,749.28

Finding the Fourth Proportional to 69,581,587.10, 96,019,959.50 and 38,643,749.28

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Solution

The fourth proportional to 69,581,587.10, 96,019,959.50 and 38,643,749.28 is: 53,326,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,587.10 : 96,019,959.50 = 38,643,749.28 : x
  2. Step 2: Convert to fraction form
    69,581,587.10/96,019,959.50 = 38,643,749.28/x
  3. Step 3: Cross multiply
    69,581,587.10x = 96,019,959.50 × 38,643,749.28
  4. Step 4: Simplify right side
    69,581,587.10x = 3,710,571,240,793,754.50
  5. Step 5: Solve for x
    x = 3,710,571,240,793,754.50/69,581,587.10
  6. Step 6: Final answer
    x = 53,326,912.99

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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.