Home / 139,024,412.20-208,473,632.70-52,734,140.20

Finding the Fourth Proportional to 139,024,412.20, 208,473,632.70 and 52,734,140.20

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Solution

The fourth proportional to 139,024,412.20, 208,473,632.70 and 52,734,140.20 is: 79,077,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,024,412.20 : 208,473,632.70 = 52,734,140.20 : x
  2. Step 2: Convert to fraction form
    139,024,412.20/208,473,632.70 = 52,734,140.20/x
  3. Step 3: Cross multiply
    139,024,412.20x = 208,473,632.70 × 52,734,140.20
  4. Step 4: Simplify right side
    139,024,412.20x = 10,993,677,774,805,104
  5. Step 5: Solve for x
    x = 10,993,677,774,805,104/139,024,412.20
  6. Step 6: Final answer
    x = 79,077,318.87

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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.