Home / 73,389,465.80-110,133,965.10-47,768,064.20

Finding the Fourth Proportional to 73,389,465.80, 110,133,965.10 and 47,768,064.20

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Solution

The fourth proportional to 73,389,465.80, 110,133,965.10 and 47,768,064.20 is: 71,684,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,389,465.80 : 110,133,965.10 = 47,768,064.20 : x
  2. Step 2: Convert to fraction form
    73,389,465.80/110,133,965.10 = 47,768,064.20/x
  3. Step 3: Cross multiply
    73,389,465.80x = 110,133,965.10 × 47,768,064.20
  4. Step 4: Simplify right side
    73,389,465.80x = 5,260,886,315,497,359
  5. Step 5: Solve for x
    x = 5,260,886,315,497,359/73,389,465.80
  6. Step 6: Final answer
    x = 71,684,488.48

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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.