Home / 65,020,257.32-89,724,507.30-37,137,491.88

Finding the Fourth Proportional to 65,020,257.32, 89,724,507.30 and 37,137,491.88

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Solution

The fourth proportional to 65,020,257.32, 89,724,507.30 and 37,137,491.88 is: 51,247,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,020,257.32 : 89,724,507.30 = 37,137,491.88 : x
  2. Step 2: Convert to fraction form
    65,020,257.32/89,724,507.30 = 37,137,491.88/x
  3. Step 3: Cross multiply
    65,020,257.32x = 89,724,507.30 × 37,137,491.88
  4. Step 4: Simplify right side
    65,020,257.32x = 3,332,143,161,290,751
  5. Step 5: Solve for x
    x = 3,332,143,161,290,751/65,020,257.32
  6. Step 6: Final answer
    x = 51,247,769.52

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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.