Home / 74,927,239.20-112,334,871.60-40,887,021.60

Finding the Fourth Proportional to 74,927,239.20, 112,334,871.60 and 40,887,021.60

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Solution

The fourth proportional to 74,927,239.20, 112,334,871.60 and 40,887,021.60 is: 61,299,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,927,239.20 : 112,334,871.60 = 40,887,021.60 : x
  2. Step 2: Convert to fraction form
    74,927,239.20/112,334,871.60 = 40,887,021.60/x
  3. Step 3: Cross multiply
    74,927,239.20x = 112,334,871.60 × 40,887,021.60
  4. Step 4: Simplify right side
    74,927,239.20x = 4,593,038,321,542,426
  5. Step 5: Solve for x
    x = 4,593,038,321,542,426/74,927,239.20
  6. Step 6: Final answer
    x = 61,299,980.76

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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.