Home / 56,806,314.13-78,393,072.95-30,700,770.67

Finding the Fourth Proportional to 56,806,314.13, 78,393,072.95 and 30,700,770.67

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Solution

The fourth proportional to 56,806,314.13, 78,393,072.95 and 30,700,770.67 is: 42,367,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,314.13 : 78,393,072.95 = 30,700,770.67 : x
  2. Step 2: Convert to fraction form
    56,806,314.13/78,393,072.95 = 30,700,770.67/x
  3. Step 3: Cross multiply
    56,806,314.13x = 78,393,072.95 × 30,700,770.67
  4. Step 4: Simplify right side
    56,806,314.13x = 2,406,727,754,754,530.50
  5. Step 5: Solve for x
    x = 2,406,727,754,754,530.50/56,806,314.13
  6. Step 6: Final answer
    x = 42,367,257.79

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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.