Home / 39,345,999.30-59,018,998.95-28,638,447.30

Finding the Fourth Proportional to 39,345,999.30, 59,018,998.95 and 28,638,447.30

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Solution

The fourth proportional to 39,345,999.30, 59,018,998.95 and 28,638,447.30 is: 42,957,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345,999.30 : 59,018,998.95 = 28,638,447.30 : x
  2. Step 2: Convert to fraction form
    39,345,999.30/59,018,998.95 = 28,638,447.30/x
  3. Step 3: Cross multiply
    39,345,999.30x = 59,018,998.95 × 28,638,447.30
  4. Step 4: Simplify right side
    39,345,999.30x = 1,690,212,491,128,330.50
  5. Step 5: Solve for x
    x = 1,690,212,491,128,330.50/39,345,999.30
  6. Step 6: Final answer
    x = 42,957,670.95

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Similar ratio
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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.