Home / 247,977,729.98-342,209,168.15-136,468,570.49

Finding the Fourth Proportional to 247,977,729.98, 342,209,168.15 and 136,468,570.49

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Solution

The fourth proportional to 247,977,729.98, 342,209,168.15 and 136,468,570.49 is: 188,326,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,977,729.98 : 342,209,168.15 = 136,468,570.49 : x
  2. Step 2: Convert to fraction form
    247,977,729.98/342,209,168.15 = 136,468,570.49/x
  3. Step 3: Cross multiply
    247,977,729.98x = 342,209,168.15 × 136,468,570.49
  4. Step 4: Simplify right side
    247,977,729.98x = 46,700,795,984,892,432
  5. Step 5: Solve for x
    x = 46,700,795,984,892,432/247,977,729.98
  6. Step 6: Final answer
    x = 188,326,572.67

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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.