Home / 126,882,741.60-175,098,183.24-71,878,598.08

Finding the Fourth Proportional to 126,882,741.60, 175,098,183.24 and 71,878,598.08

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Solution

The fourth proportional to 126,882,741.60, 175,098,183.24 and 71,878,598.08 is: 99,192,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,882,741.60 : 175,098,183.24 = 71,878,598.08 : x
  2. Step 2: Convert to fraction form
    126,882,741.60/175,098,183.24 = 71,878,598.08/x
  3. Step 3: Cross multiply
    126,882,741.60x = 175,098,183.24 × 71,878,598.08
  4. Step 4: Simplify right side
    126,882,741.60x = 12,585,811,937,646,152
  5. Step 5: Solve for x
    x = 12,585,811,937,646,152/126,882,741.60
  6. Step 6: Final answer
    x = 99,192,465.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.