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Finding the Fourth Proportional to 107,905,602.90, 161,858,404.35 and 96,568,194.90

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Solution

The fourth proportional to 107,905,602.90, 161,858,404.35 and 96,568,194.90 is: 144,852,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,905,602.90 : 161,858,404.35 = 96,568,194.90 : x
  2. Step 2: Convert to fraction form
    107,905,602.90/161,858,404.35 = 96,568,194.90/x
  3. Step 3: Cross multiply
    107,905,602.90x = 161,858,404.35 × 96,568,194.90
  4. Step 4: Simplify right side
    107,905,602.90x = 15,630,373,937,473,808
  5. Step 5: Solve for x
    x = 15,630,373,937,473,808/107,905,602.90
  6. Step 6: Final answer
    x = 144,852,292.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.