Home / 112,353,899.20-168,530,848.80-31,574,867.20

Finding the Fourth Proportional to 112,353,899.20, 168,530,848.80 and 31,574,867.20

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Solution

The fourth proportional to 112,353,899.20, 168,530,848.80 and 31,574,867.20 is: 47,362,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,899.20 : 168,530,848.80 = 31,574,867.20 : x
  2. Step 2: Convert to fraction form
    112,353,899.20/168,530,848.80 = 31,574,867.20/x
  3. Step 3: Cross multiply
    112,353,899.20x = 168,530,848.80 × 31,574,867.20
  4. Step 4: Simplify right side
    112,353,899.20x = 5,321,339,169,963,280
  5. Step 5: Solve for x
    x = 5,321,339,169,963,280/112,353,899.20
  6. Step 6: Final answer
    x = 47,362,300.80

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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.