Home / 159,392,763.52-219,963,241.86-89,771,630.56

Finding the Fourth Proportional to 159,392,763.52, 219,963,241.86 and 89,771,630.56

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Solution

The fourth proportional to 159,392,763.52, 219,963,241.86 and 89,771,630.56 is: 123,885,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,392,763.52 : 219,963,241.86 = 89,771,630.56 : x
  2. Step 2: Convert to fraction form
    159,392,763.52/219,963,241.86 = 89,771,630.56/x
  3. Step 3: Cross multiply
    159,392,763.52x = 219,963,241.86 × 89,771,630.56
  4. Step 4: Simplify right side
    159,392,763.52x = 19,746,458,885,035,848
  5. Step 5: Solve for x
    x = 19,746,458,885,035,848/159,392,763.52
  6. Step 6: Final answer
    x = 123,885,541.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.