Home / 139,341,554.49-208,895,414.67-61,605,907.95

Finding the Fourth Proportional to 139,341,554.49, 208,895,414.67 and 61,605,907.95

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Solution

The fourth proportional to 139,341,554.49, 208,895,414.67 and 61,605,907.95 is: 92,357,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,341,554.49 : 208,895,414.67 = 61,605,907.95 : x
  2. Step 2: Convert to fraction form
    139,341,554.49/208,895,414.67 = 61,605,907.95/x
  3. Step 3: Cross multiply
    139,341,554.49x = 208,895,414.67 × 61,605,907.95
  4. Step 4: Simplify right side
    139,341,554.49x = 12,869,191,687,337,100
  5. Step 5: Solve for x
    x = 12,869,191,687,337,100/139,341,554.49
  6. Step 6: Final answer
    x = 92,357,170.37

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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.