Home / 103,610,812.92-142,982,181.54-56,567,884.92

Finding the Fourth Proportional to 103,610,812.92, 142,982,181.54 and 56,567,884.92

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Solution

The fourth proportional to 103,610,812.92, 142,982,181.54 and 56,567,884.92 is: 78,063,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,812.92 : 142,982,181.54 = 56,567,884.92 : x
  2. Step 2: Convert to fraction form
    103,610,812.92/142,982,181.54 = 56,567,884.92/x
  3. Step 3: Cross multiply
    103,610,812.92x = 142,982,181.54 × 56,567,884.92
  4. Step 4: Simplify right side
    103,610,812.92x = 8,088,199,590,965,268
  5. Step 5: Solve for x
    x = 8,088,199,590,965,268/103,610,812.92
  6. Step 6: Final answer
    x = 78,063,277.02

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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.