Home / 145,485,784.26-218,292,600.78-76,382,529.66

Finding the Fourth Proportional to 145,485,784.26, 218,292,600.78 and 76,382,529.66

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Solution

The fourth proportional to 145,485,784.26, 218,292,600.78 and 76,382,529.66 is: 114,607,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,485,784.26 : 218,292,600.78 = 76,382,529.66 : x
  2. Step 2: Convert to fraction form
    145,485,784.26/218,292,600.78 = 76,382,529.66/x
  3. Step 3: Cross multiply
    145,485,784.26x = 218,292,600.78 × 76,382,529.66
  4. Step 4: Simplify right side
    145,485,784.26x = 16,673,741,053,636,888
  5. Step 5: Solve for x
    x = 16,673,741,053,636,888/145,485,784.26
  6. Step 6: Final answer
    x = 114,607,355.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.