Home / 170,829,728.82-256,653,386.26-109,538,970

Finding the Fourth Proportional to 170,829,728.82, 256,653,386.26 and 109,538,970

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Solution

The fourth proportional to 170,829,728.82, 256,653,386.26 and 109,538,970 is: 164,570,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,728.82 : 256,653,386.26 = 109,538,970 : x
  2. Step 2: Convert to fraction form
    170,829,728.82/256,653,386.26 = 109,538,970/x
  3. Step 3: Cross multiply
    170,829,728.82x = 256,653,386.26 × 109,538,970
  4. Step 4: Simplify right side
    170,829,728.82x = 28,113,547,577,932,552
  5. Step 5: Solve for x
    x = 28,113,547,577,932,552/170,829,728.82
  6. Step 6: Final answer
    x = 164,570,580.15

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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.