Home / 100,088,156.35-150,154,872.63-54,029,036.75

Finding the Fourth Proportional to 100,088,156.35, 150,154,872.63 and 54,029,036.75

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Solution

The fourth proportional to 100,088,156.35, 150,154,872.63 and 54,029,036.75 is: 81,055,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,088,156.35 : 150,154,872.63 = 54,029,036.75 : x
  2. Step 2: Convert to fraction form
    100,088,156.35/150,154,872.63 = 54,029,036.75/x
  3. Step 3: Cross multiply
    100,088,156.35x = 150,154,872.63 × 54,029,036.75
  4. Step 4: Simplify right side
    100,088,156.35x = 8,112,723,130,564,455
  5. Step 5: Solve for x
    x = 8,112,723,130,564,455/100,088,156.35
  6. Step 6: Final answer
    x = 81,055,775.49

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1.5x scale

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.