Home / 81,096,339.60-111,823,288.62-51,681,102.12

Finding the Fourth Proportional to 81,096,339.60, 111,823,288.62 and 51,681,102.12

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Solution

The fourth proportional to 81,096,339.60, 111,823,288.62 and 51,681,102.12 is: 71,262,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,096,339.60 : 111,823,288.62 = 51,681,102.12 : x
  2. Step 2: Convert to fraction form
    81,096,339.60/111,823,288.62 = 51,681,102.12/x
  3. Step 3: Cross multiply
    81,096,339.60x = 111,823,288.62 × 51,681,102.12
  4. Step 4: Simplify right side
    81,096,339.60x = 5,779,150,798,564,454
  5. Step 5: Solve for x
    x = 5,779,150,798,564,454/81,096,339.60
  6. Step 6: Final answer
    x = 71,262,782.35

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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.