Home / 56,806,315.38-78,393,074.67-30,700,771.92

Finding the Fourth Proportional to 56,806,315.38, 78,393,074.67 and 30,700,771.92

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Solution

The fourth proportional to 56,806,315.38, 78,393,074.67 and 30,700,771.92 is: 42,367,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,315.38 : 78,393,074.67 = 30,700,771.92 : x
  2. Step 2: Convert to fraction form
    56,806,315.38/78,393,074.67 = 30,700,771.92/x
  3. Step 3: Cross multiply
    56,806,315.38x = 78,393,074.67 × 30,700,771.92
  4. Step 4: Simplify right side
    56,806,315.38x = 2,406,727,905,551,199.50
  5. Step 5: Solve for x
    x = 2,406,727,905,551,199.50/56,806,315.38
  6. Step 6: Final answer
    x = 42,367,259.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.