Home / 112,353,901.20-168,530,851.80-31,574,869.20

Finding the Fourth Proportional to 112,353,901.20, 168,530,851.80 and 31,574,869.20

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Solution

The fourth proportional to 112,353,901.20, 168,530,851.80 and 31,574,869.20 is: 47,362,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,901.20 : 168,530,851.80 = 31,574,869.20 : x
  2. Step 2: Convert to fraction form
    112,353,901.20/168,530,851.80 = 31,574,869.20/x
  3. Step 3: Cross multiply
    112,353,901.20x = 168,530,851.80 × 31,574,869.20
  4. Step 4: Simplify right side
    112,353,901.20x = 5,321,339,601,749,585
  5. Step 5: Solve for x
    x = 5,321,339,601,749,585/112,353,901.20
  6. Step 6: Final answer
    x = 47,362,303.80

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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.