Home / 170,829,730.91-256,653,389.48-109,538,972.07

Finding the Fourth Proportional to 170,829,730.91, 256,653,389.48 and 109,538,972.07

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Solution

The fourth proportional to 170,829,730.91, 256,653,389.48 and 109,538,972.07 is: 164,570,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,730.91 : 256,653,389.48 = 109,538,972.07 : x
  2. Step 2: Convert to fraction form
    170,829,730.91/256,653,389.48 = 109,538,972.07/x
  3. Step 3: Cross multiply
    170,829,730.91x = 256,653,389.48 × 109,538,972.07
  4. Step 4: Simplify right side
    170,829,730.91x = 28,113,548,461,372,856
  5. Step 5: Solve for x
    x = 28,113,548,461,372,856/170,829,730.91
  6. Step 6: Final answer
    x = 164,570,583.31

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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.