Home / 82,987,005.20-124,480,507.80-50,701,964.45

Finding the Fourth Proportional to 82,987,005.20, 124,480,507.80 and 50,701,964.45

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Solution

The fourth proportional to 82,987,005.20, 124,480,507.80 and 50,701,964.45 is: 76,052,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987,005.20 : 124,480,507.80 = 50,701,964.45 : x
  2. Step 2: Convert to fraction form
    82,987,005.20/124,480,507.80 = 50,701,964.45/x
  3. Step 3: Cross multiply
    82,987,005.20x = 124,480,507.80 × 50,701,964.45
  4. Step 4: Simplify right side
    82,987,005.20x = 6,311,406,281,193,548
  5. Step 5: Solve for x
    x = 6,311,406,281,193,548/82,987,005.20
  6. Step 6: Final answer
    x = 76,052,946.68

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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.