Home / 126,323,846.60-189,485,769.90-124,623,235.40

Finding the Fourth Proportional to 126,323,846.60, 189,485,769.90 and 124,623,235.40

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Solution

The fourth proportional to 126,323,846.60, 189,485,769.90 and 124,623,235.40 is: 186,934,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,323,846.60 : 189,485,769.90 = 124,623,235.40 : x
  2. Step 2: Convert to fraction form
    126,323,846.60/189,485,769.90 = 124,623,235.40/x
  3. Step 3: Cross multiply
    126,323,846.60x = 189,485,769.90 × 124,623,235.40
  4. Step 4: Simplify right side
    126,323,846.60x = 23,614,329,707,197,936
  5. Step 5: Solve for x
    x = 23,614,329,707,197,936/126,323,846.60
  6. Step 6: Final answer
    x = 186,934,853.10

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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.