Home / 126,048,011.70-189,072,017.55-62,214,309.30

Finding the Fourth Proportional to 126,048,011.70, 189,072,017.55 and 62,214,309.30

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Solution

The fourth proportional to 126,048,011.70, 189,072,017.55 and 62,214,309.30 is: 93,321,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,011.70 : 189,072,017.55 = 62,214,309.30 : x
  2. Step 2: Convert to fraction form
    126,048,011.70/189,072,017.55 = 62,214,309.30/x
  3. Step 3: Cross multiply
    126,048,011.70x = 189,072,017.55 × 62,214,309.30
  4. Step 4: Simplify right side
    126,048,011.70x = 11,762,984,979,830,728
  5. Step 5: Solve for x
    x = 11,762,984,979,830,728/126,048,011.70
  6. Step 6: Final answer
    x = 93,321,463.95

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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.