Home / 139,968,149.30-209,952,223.95-123,528,907.70

Finding the Fourth Proportional to 139,968,149.30, 209,952,223.95 and 123,528,907.70

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Solution

The fourth proportional to 139,968,149.30, 209,952,223.95 and 123,528,907.70 is: 185,293,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,149.30 : 209,952,223.95 = 123,528,907.70 : x
  2. Step 2: Convert to fraction form
    139,968,149.30/209,952,223.95 = 123,528,907.70/x
  3. Step 3: Cross multiply
    139,968,149.30x = 209,952,223.95 × 123,528,907.70
  4. Step 4: Simplify right side
    139,968,149.30x = 25,935,168,893,729,280
  5. Step 5: Solve for x
    x = 25,935,168,893,729,280/139,968,149.30
  6. Step 6: Final answer
    x = 185,293,361.55

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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.