Home / 90,992,026.60-136,488,040.54-30,407,752.68

Finding the Fourth Proportional to 90,992,026.60, 136,488,040.54 and 30,407,752.68

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Solution

The fourth proportional to 90,992,026.60, 136,488,040.54 and 30,407,752.68 is: 45,611,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992,026.60 : 136,488,040.54 = 30,407,752.68 : x
  2. Step 2: Convert to fraction form
    90,992,026.60/136,488,040.54 = 30,407,752.68/x
  3. Step 3: Cross multiply
    90,992,026.60x = 136,488,040.54 × 30,407,752.68
  4. Step 4: Simplify right side
    90,992,026.60x = 4,150,294,580,518,133.50
  5. Step 5: Solve for x
    x = 4,150,294,580,518,133.50/90,992,026.60
  6. Step 6: Final answer
    x = 45,611,629.23

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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.