Home / 101,151,098.17-139,588,513.72-54,741,352.08

Finding the Fourth Proportional to 101,151,098.17, 139,588,513.72 and 54,741,352.08

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Solution

The fourth proportional to 101,151,098.17, 139,588,513.72 and 54,741,352.08 is: 75,543,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151,098.17 : 139,588,513.72 = 54,741,352.08 : x
  2. Step 2: Convert to fraction form
    101,151,098.17/139,588,513.72 = 54,741,352.08/x
  3. Step 3: Cross multiply
    101,151,098.17x = 139,588,513.72 × 54,741,352.08
  4. Step 4: Simplify right side
    101,151,098.17x = 7,641,263,975,870,430
  5. Step 5: Solve for x
    x = 7,641,263,975,870,430/101,151,098.17
  6. Step 6: Final answer
    x = 75,543,064.92

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