Home / 118,583,162.71-163,643,158.77-66,372,182.71

Finding the Fourth Proportional to 118,583,162.71, 163,643,158.77 and 66,372,182.71

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Solution

The fourth proportional to 118,583,162.71, 163,643,158.77 and 66,372,182.71 is: 91,592,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,583,162.71 : 163,643,158.77 = 66,372,182.71 : x
  2. Step 2: Convert to fraction form
    118,583,162.71/163,643,158.77 = 66,372,182.71/x
  3. Step 3: Cross multiply
    118,583,162.71x = 163,643,158.77 × 66,372,182.71
  4. Step 4: Simplify right side
    118,583,162.71x = 10,861,353,633,123,980
  5. Step 5: Solve for x
    x = 10,861,353,633,123,980/118,583,162.71
  6. Step 6: Final answer
    x = 91,592,713.37

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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.