Home / 113,314,329.60-170,223,436.80-109,031,308.80

Finding the Fourth Proportional to 113,314,329.60, 170,223,436.80 and 109,031,308.80

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Solution

The fourth proportional to 113,314,329.60, 170,223,436.80 and 109,031,308.80 is: 163,789,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,314,329.60 : 170,223,436.80 = 109,031,308.80 : x
  2. Step 2: Convert to fraction form
    113,314,329.60/170,223,436.80 = 109,031,308.80/x
  3. Step 3: Cross multiply
    113,314,329.60x = 170,223,436.80 × 109,031,308.80
  4. Step 4: Simplify right side
    113,314,329.60x = 18,559,684,102,738,084
  5. Step 5: Solve for x
    x = 18,559,684,102,738,084/113,314,329.60
  6. Step 6: Final answer
    x = 163,789,382.76

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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.