Home / 126,944,723.80-190,417,085.70-119,291,973.40

Finding the Fourth Proportional to 126,944,723.80, 190,417,085.70 and 119,291,973.40

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Solution

The fourth proportional to 126,944,723.80, 190,417,085.70 and 119,291,973.40 is: 178,937,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,944,723.80 : 190,417,085.70 = 119,291,973.40 : x
  2. Step 2: Convert to fraction form
    126,944,723.80/190,417,085.70 = 119,291,973.40/x
  3. Step 3: Cross multiply
    126,944,723.80x = 190,417,085.70 × 119,291,973.40
  4. Step 4: Simplify right side
    126,944,723.80x = 22,715,229,922,229,920
  5. Step 5: Solve for x
    x = 22,715,229,922,229,920/126,944,723.80
  6. Step 6: Final answer
    x = 178,937,960.10

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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.