Home / 177,803,999.40-266,705,999.10-75,571,372.20

Finding the Fourth Proportional to 177,803,999.40, 266,705,999.10 and 75,571,372.20

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Solution

The fourth proportional to 177,803,999.40, 266,705,999.10 and 75,571,372.20 is: 113,357,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,803,999.40 : 266,705,999.10 = 75,571,372.20 : x
  2. Step 2: Convert to fraction form
    177,803,999.40/266,705,999.10 = 75,571,372.20/x
  3. Step 3: Cross multiply
    177,803,999.40x = 266,705,999.10 × 75,571,372.20
  4. Step 4: Simplify right side
    177,803,999.40x = 20,155,338,325,958,964
  5. Step 5: Solve for x
    x = 20,155,338,325,958,964/177,803,999.40
  6. Step 6: Final answer
    x = 113,357,058.30

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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.