Home / 47,952,021.60-71,928,032.40-28,804,399.20

Finding the Fourth Proportional to 47,952,021.60, 71,928,032.40 and 28,804,399.20

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Solution

The fourth proportional to 47,952,021.60, 71,928,032.40 and 28,804,399.20 is: 43,206,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,952,021.60 : 71,928,032.40 = 28,804,399.20 : x
  2. Step 2: Convert to fraction form
    47,952,021.60/71,928,032.40 = 28,804,399.20/x
  3. Step 3: Cross multiply
    47,952,021.60x = 71,928,032.40 × 28,804,399.20
  4. Step 4: Simplify right side
    47,952,021.60x = 2,071,843,758,920,134.25
  5. Step 5: Solve for x
    x = 2,071,843,758,920,134.25/47,952,021.60
  6. Step 6: Final answer
    x = 43,206,598.80

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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.