Home / 113,258,505.76-169,780,119.36-72,202,722.72

Finding the Fourth Proportional to 113,258,505.76, 169,780,119.36 and 72,202,722.72

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Solution

The fourth proportional to 113,258,505.76, 169,780,119.36 and 72,202,722.72 is: 108,235,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,258,505.76 : 169,780,119.36 = 72,202,722.72 : x
  2. Step 2: Convert to fraction form
    113,258,505.76/169,780,119.36 = 72,202,722.72/x
  3. Step 3: Cross multiply
    113,258,505.76x = 169,780,119.36 × 72,202,722.72
  4. Step 4: Simplify right side
    113,258,505.76x = 12,258,586,881,518,584
  5. Step 5: Solve for x
    x = 12,258,586,881,518,584/113,258,505.76
  6. Step 6: Final answer
    x = 108,235,463.63

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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.