Home / 78,732,075.05-118,098,112.58-49,821,684.65

Finding the Fourth Proportional to 78,732,075.05, 118,098,112.58 and 49,821,684.65

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Solution

The fourth proportional to 78,732,075.05, 118,098,112.58 and 49,821,684.65 is: 74,732,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,075.05 : 118,098,112.58 = 49,821,684.65 : x
  2. Step 2: Convert to fraction form
    78,732,075.05/118,098,112.58 = 49,821,684.65/x
  3. Step 3: Cross multiply
    78,732,075.05x = 118,098,112.58 × 49,821,684.65
  4. Step 4: Simplify right side
    78,732,075.05x = 5,883,846,922,471,849
  5. Step 5: Solve for x
    x = 5,883,846,922,471,849/78,732,075.05
  6. Step 6: Final answer
    x = 74,732,526.98

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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.