Home / 113,314,309.60-170,223,406.80-109,031,288.80

Finding the Fourth Proportional to 113,314,309.60, 170,223,406.80 and 109,031,288.80

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Solution

The fourth proportional to 113,314,309.60, 170,223,406.80 and 109,031,288.80 is: 163,789,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,314,309.60 : 170,223,406.80 = 109,031,288.80 : x
  2. Step 2: Convert to fraction form
    113,314,309.60/170,223,406.80 = 109,031,288.80/x
  3. Step 3: Cross multiply
    113,314,309.60x = 170,223,406.80 × 109,031,288.80
  4. Step 4: Simplify right side
    113,314,309.60x = 18,559,677,427,330,684
  5. Step 5: Solve for x
    x = 18,559,677,427,330,684/113,314,309.60
  6. Step 6: Final answer
    x = 163,789,352.76

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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.