Home / 104,976,005.90-157,464,008.85-90,615,289.10

Finding the Fourth Proportional to 104,976,005.90, 157,464,008.85 and 90,615,289.10

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Solution

The fourth proportional to 104,976,005.90, 157,464,008.85 and 90,615,289.10 is: 135,922,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,005.90 : 157,464,008.85 = 90,615,289.10 : x
  2. Step 2: Convert to fraction form
    104,976,005.90/157,464,008.85 = 90,615,289.10/x
  3. Step 3: Cross multiply
    104,976,005.90x = 157,464,008.85 × 90,615,289.10
  4. Step 4: Simplify right side
    104,976,005.90x = 14,268,646,684,787,708
  5. Step 5: Solve for x
    x = 14,268,646,684,787,708/104,976,005.90
  6. Step 6: Final answer
    x = 135,922,933.65

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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.