Home / 107,681,681.08-148,599,961.88-58,789,109.08

Finding the Fourth Proportional to 107,681,681.08, 148,599,961.88 and 58,789,109.08

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Solution

The fourth proportional to 107,681,681.08, 148,599,961.88 and 58,789,109.08 is: 81,128,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681,681.08 : 148,599,961.88 = 58,789,109.08 : x
  2. Step 2: Convert to fraction form
    107,681,681.08/148,599,961.88 = 58,789,109.08/x
  3. Step 3: Cross multiply
    107,681,681.08x = 148,599,961.88 × 58,789,109.08
  4. Step 4: Simplify right side
    107,681,681.08x = 8,736,059,368,247,161
  5. Step 5: Solve for x
    x = 8,736,059,368,247,161/107,681,681.08
  6. Step 6: Final answer
    x = 81,128,556.69

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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.