Home / 133,060,459.20-199,590,688.80-75,530,500.80

Finding the Fourth Proportional to 133,060,459.20, 199,590,688.80 and 75,530,500.80

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Solution

The fourth proportional to 133,060,459.20, 199,590,688.80 and 75,530,500.80 is: 113,295,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060,459.20 : 199,590,688.80 = 75,530,500.80 : x
  2. Step 2: Convert to fraction form
    133,060,459.20/199,590,688.80 = 75,530,500.80/x
  3. Step 3: Cross multiply
    133,060,459.20x = 199,590,688.80 × 75,530,500.80
  4. Step 4: Simplify right side
    133,060,459.20x = 15,075,184,680,080,952
  5. Step 5: Solve for x
    x = 15,075,184,680,080,952/133,060,459.20
  6. Step 6: Final answer
    x = 113,295,751.20

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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.