Home / 74,363,068.80-111,544,603.20-71,528,716.80

Finding the Fourth Proportional to 74,363,068.80, 111,544,603.20 and 71,528,716.80

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Solution

The fourth proportional to 74,363,068.80, 111,544,603.20 and 71,528,716.80 is: 107,293,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,363,068.80 : 111,544,603.20 = 71,528,716.80 : x
  2. Step 2: Convert to fraction form
    74,363,068.80/111,544,603.20 = 71,528,716.80/x
  3. Step 3: Cross multiply
    74,363,068.80x = 111,544,603.20 × 71,528,716.80
  4. Step 4: Simplify right side
    74,363,068.80x = 7,978,642,332,861,174
  5. Step 5: Solve for x
    x = 7,978,642,332,861,174/74,363,068.80
  6. Step 6: Final answer
    x = 107,293,075.20

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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.