Home / 69,682,365.12-96,159,150.56-38,320,150.08

Finding the Fourth Proportional to 69,682,365.12, 96,159,150.56 and 38,320,150.08

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Solution

The fourth proportional to 69,682,365.12, 96,159,150.56 and 38,320,150.08 is: 52,880,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682,365.12 : 96,159,150.56 = 38,320,150.08 : x
  2. Step 2: Convert to fraction form
    69,682,365.12/96,159,150.56 = 38,320,150.08/x
  3. Step 3: Cross multiply
    69,682,365.12x = 96,159,150.56 × 38,320,150.08
  4. Step 4: Simplify right side
    69,682,365.12x = 3,684,833,081,024,516
  5. Step 5: Solve for x
    x = 3,684,833,081,024,516/69,682,365.12
  6. Step 6: Final answer
    x = 52,880,424.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.