Home / 77,242,626.36-106,466,783.40-75,198,058.56

Finding the Fourth Proportional to 77,242,626.36, 106,466,783.40 and 75,198,058.56

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Solution

The fourth proportional to 77,242,626.36, 106,466,783.40 and 75,198,058.56 is: 103,648,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,242,626.36 : 106,466,783.40 = 75,198,058.56 : x
  2. Step 2: Convert to fraction form
    77,242,626.36/106,466,783.40 = 75,198,058.56/x
  3. Step 3: Cross multiply
    77,242,626.36x = 106,466,783.40 × 75,198,058.56
  4. Step 4: Simplify right side
    77,242,626.36x = 8,006,095,412,808,037
  5. Step 5: Solve for x
    x = 8,006,095,412,808,037/77,242,626.36
  6. Step 6: Final answer
    x = 103,648,669.01

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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.