Home / 70,002,041.40-105,003,062.10-63,619,500.60

Finding the Fourth Proportional to 70,002,041.40, 105,003,062.10 and 63,619,500.60

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Solution

The fourth proportional to 70,002,041.40, 105,003,062.10 and 63,619,500.60 is: 95,429,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,002,041.40 : 105,003,062.10 = 63,619,500.60 : x
  2. Step 2: Convert to fraction form
    70,002,041.40/105,003,062.10 = 63,619,500.60/x
  3. Step 3: Cross multiply
    70,002,041.40x = 105,003,062.10 × 63,619,500.60
  4. Step 4: Simplify right side
    70,002,041.40x = 6,680,242,372,272,787
  5. Step 5: Solve for x
    x = 6,680,242,372,272,787/70,002,041.40
  6. Step 6: Final answer
    x = 95,429,250.90

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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.