Home / 134,162,505.45-185,143,144.59-75,425,432.40

Finding the Fourth Proportional to 134,162,505.45, 185,143,144.59 and 75,425,432.40

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Solution

The fourth proportional to 134,162,505.45, 185,143,144.59 and 75,425,432.40 is: 104,086,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,162,505.45 : 185,143,144.59 = 75,425,432.40 : x
  2. Step 2: Convert to fraction form
    134,162,505.45/185,143,144.59 = 75,425,432.40/x
  3. Step 3: Cross multiply
    134,162,505.45x = 185,143,144.59 × 75,425,432.40
  4. Step 4: Simplify right side
    134,162,505.45x = 13,964,501,736,596,472
  5. Step 5: Solve for x
    x = 13,964,501,736,596,472/134,162,505.45
  6. Step 6: Final answer
    x = 104,086,471.03

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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.