Home / 126,036,010.60-189,054,015.90-74,891,703.40

Finding the Fourth Proportional to 126,036,010.60, 189,054,015.90 and 74,891,703.40

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Solution

The fourth proportional to 126,036,010.60, 189,054,015.90 and 74,891,703.40 is: 112,337,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,010.60 : 189,054,015.90 = 74,891,703.40 : x
  2. Step 2: Convert to fraction form
    126,036,010.60/189,054,015.90 = 74,891,703.40/x
  3. Step 3: Cross multiply
    126,036,010.60x = 189,054,015.90 × 74,891,703.40
  4. Step 4: Simplify right side
    126,036,010.60x = 14,158,577,285,361,686
  5. Step 5: Solve for x
    x = 14,158,577,285,361,686/126,036,010.60
  6. Step 6: Final answer
    x = 112,337,555.10

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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.