Home / 139,582,939.85-209,277,451.84-61,817,467.49

Finding the Fourth Proportional to 139,582,939.85, 209,277,451.84 and 61,817,467.49

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Solution

The fourth proportional to 139,582,939.85, 209,277,451.84 and 61,817,467.49 is: 92,683,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,582,939.85 : 209,277,451.84 = 61,817,467.49 : x
  2. Step 2: Convert to fraction form
    139,582,939.85/209,277,451.84 = 61,817,467.49/x
  3. Step 3: Cross multiply
    139,582,939.85x = 209,277,451.84 × 61,817,467.49
  4. Step 4: Simplify right side
    139,582,939.85x = 12,937,002,075,509,242
  5. Step 5: Solve for x
    x = 12,937,002,075,509,242/139,582,939.85
  6. Step 6: Final answer
    x = 92,683,261.22

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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.