Home / 112,542,066.57-169,006,288.75-69,078,050.25

Finding the Fourth Proportional to 112,542,066.57, 169,006,288.75 and 69,078,050.25

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Solution

The fourth proportional to 112,542,066.57, 169,006,288.75 and 69,078,050.25 is: 103,735,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542,066.57 : 169,006,288.75 = 69,078,050.25 : x
  2. Step 2: Convert to fraction form
    112,542,066.57/169,006,288.75 = 69,078,050.25/x
  3. Step 3: Cross multiply
    112,542,066.57x = 169,006,288.75 × 69,078,050.25
  4. Step 4: Simplify right side
    112,542,066.57x = 11,674,624,905,820,784
  5. Step 5: Solve for x
    x = 11,674,624,905,820,784/112,542,066.57
  6. Step 6: Final answer
    x = 103,735,654.25

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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.