Home / 89,542,007.80-134,313,011.70-28,963,857.40

Finding the Fourth Proportional to 89,542,007.80, 134,313,011.70 and 28,963,857.40

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Solution

The fourth proportional to 89,542,007.80, 134,313,011.70 and 28,963,857.40 is: 43,445,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,007.80 : 134,313,011.70 = 28,963,857.40 : x
  2. Step 2: Convert to fraction form
    89,542,007.80/134,313,011.70 = 28,963,857.40/x
  3. Step 3: Cross multiply
    89,542,007.80x = 134,313,011.70 × 28,963,857.40
  4. Step 4: Simplify right side
    89,542,007.80x = 3,890,222,917,843,331
  5. Step 5: Solve for x
    x = 3,890,222,917,843,331/89,542,007.80
  6. Step 6: Final answer
    x = 43,445,786.10

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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.