Home / 281,772,353.10-422,658,529.65-77,300,100.30

Finding the Fourth Proportional to 281,772,353.10, 422,658,529.65 and 77,300,100.30

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Solution

The fourth proportional to 281,772,353.10, 422,658,529.65 and 77,300,100.30 is: 115,950,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,772,353.10 : 422,658,529.65 = 77,300,100.30 : x
  2. Step 2: Convert to fraction form
    281,772,353.10/422,658,529.65 = 77,300,100.30/x
  3. Step 3: Cross multiply
    281,772,353.10x = 422,658,529.65 × 77,300,100.30
  4. Step 4: Simplify right side
    281,772,353.10x = 32,671,546,734,595,520
  5. Step 5: Solve for x
    x = 32,671,546,734,595,520/281,772,353.10
  6. Step 6: Final answer
    x = 115,950,150.45

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Similar ratio
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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.