Home / 69,581,581.35-96,019,951.63-38,643,743.54

Finding the Fourth Proportional to 69,581,581.35, 96,019,951.63 and 38,643,743.54

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Solution

The fourth proportional to 69,581,581.35, 96,019,951.63 and 38,643,743.54 is: 53,326,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,581.35 : 96,019,951.63 = 38,643,743.54 : x
  2. Step 2: Convert to fraction form
    69,581,581.35/96,019,951.63 = 38,643,743.54/x
  3. Step 3: Cross multiply
    69,581,581.35x = 96,019,951.63 × 38,643,743.54
  4. Step 4: Simplify right side
    69,581,581.35x = 3,710,570,385,080,044
  5. Step 5: Solve for x
    x = 3,710,570,385,080,044/69,581,581.35
  6. Step 6: Final answer
    x = 53,326,905.09

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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.