Home / 47,309,412.20-70,964,118.30-42,531,837.80

Finding the Fourth Proportional to 47,309,412.20, 70,964,118.30 and 42,531,837.80

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Solution

The fourth proportional to 47,309,412.20, 70,964,118.30 and 42,531,837.80 is: 63,797,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309,412.20 : 70,964,118.30 = 42,531,837.80 : x
  2. Step 2: Convert to fraction form
    47,309,412.20/70,964,118.30 = 42,531,837.80/x
  3. Step 3: Cross multiply
    47,309,412.20x = 70,964,118.30 × 42,531,837.80
  4. Step 4: Simplify right side
    47,309,412.20x = 3,018,234,369,155,611.50
  5. Step 5: Solve for x
    x = 3,018,234,369,155,611.50/47,309,412.20
  6. Step 6: Final answer
    x = 63,797,756.70

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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.