Home / 135,922,744.80-203,884,117.20-84,266,679.60

Finding the Fourth Proportional to 135,922,744.80, 203,884,117.20 and 84,266,679.60

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Solution

The fourth proportional to 135,922,744.80, 203,884,117.20 and 84,266,679.60 is: 126,400,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,922,744.80 : 203,884,117.20 = 84,266,679.60 : x
  2. Step 2: Convert to fraction form
    135,922,744.80/203,884,117.20 = 84,266,679.60/x
  3. Step 3: Cross multiply
    135,922,744.80x = 203,884,117.20 × 84,266,679.60
  4. Step 4: Simplify right side
    135,922,744.80x = 17,180,637,579,621,246
  5. Step 5: Solve for x
    x = 17,180,637,579,621,246/135,922,744.80
  6. Step 6: Final answer
    x = 126,400,019.40

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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.