Home / 100,088,155.49-150,154,871.38-54,029,035.91

Finding the Fourth Proportional to 100,088,155.49, 150,154,871.38 and 54,029,035.91

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Solution

The fourth proportional to 100,088,155.49, 150,154,871.38 and 54,029,035.91 is: 81,055,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,088,155.49 : 150,154,871.38 = 54,029,035.91 : x
  2. Step 2: Convert to fraction form
    100,088,155.49/150,154,871.38 = 54,029,035.91/x
  3. Step 3: Cross multiply
    100,088,155.49x = 150,154,871.38 × 54,029,035.91
  4. Step 4: Simplify right side
    100,088,155.49x = 8,112,722,937,896,993
  5. Step 5: Solve for x
    x = 8,112,722,937,896,993/100,088,155.49
  6. Step 6: Final answer
    x = 81,055,774.26

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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.