Home / 85,859,039.00-128,772,130.88-33,336,711.64

Finding the Fourth Proportional to 85,859,039.00, 128,772,130.88 and 33,336,711.64

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Solution

The fourth proportional to 85,859,039.00, 128,772,130.88 and 33,336,711.64 is: 49,998,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,859,039.00 : 128,772,130.88 = 33,336,711.64 : x
  2. Step 2: Convert to fraction form
    85,859,039.00/128,772,130.88 = 33,336,711.64/x
  3. Step 3: Cross multiply
    85,859,039.00x = 128,772,130.88 × 33,336,711.64
  4. Step 4: Simplify right side
    85,859,039.00x = 4,292,839,394,612,535
  5. Step 5: Solve for x
    x = 4,292,839,394,612,535/85,859,039.00
  6. Step 6: Final answer
    x = 49,998,689.07

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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.