Home / 70,412,315.88-105,597,984.06-27,271,897.32

Finding the Fourth Proportional to 70,412,315.88, 105,597,984.06 and 27,271,897.32

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Solution

The fourth proportional to 70,412,315.88, 105,597,984.06 and 27,271,897.32 is: 40,899,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,412,315.88 : 105,597,984.06 = 27,271,897.32 : x
  2. Step 2: Convert to fraction form
    70,412,315.88/105,597,984.06 = 27,271,897.32/x
  3. Step 3: Cross multiply
    70,412,315.88x = 105,597,984.06 × 27,271,897.32
  4. Step 4: Simplify right side
    70,412,315.88x = 2,879,857,378,483,317
  5. Step 5: Solve for x
    x = 2,879,857,378,483,317/70,412,315.88
  6. Step 6: Final answer
    x = 40,899,909.94

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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.