Home / 56,806,313.13-78,393,071.57-30,700,769.67

Finding the Fourth Proportional to 56,806,313.13, 78,393,071.57 and 30,700,769.67

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Solution

The fourth proportional to 56,806,313.13, 78,393,071.57 and 30,700,769.67 is: 42,367,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,313.13 : 78,393,071.57 = 30,700,769.67 : x
  2. Step 2: Convert to fraction form
    56,806,313.13/78,393,071.57 = 30,700,769.67/x
  3. Step 3: Cross multiply
    56,806,313.13x = 78,393,071.57 × 30,700,769.67
  4. Step 4: Simplify right side
    56,806,313.13x = 2,406,727,633,840,891.50
  5. Step 5: Solve for x
    x = 2,406,727,633,840,891.50/56,806,313.13
  6. Step 6: Final answer
    x = 42,367,256.41

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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.