Home / 170,829,728.02-256,653,385.15-109,538,969.18

Finding the Fourth Proportional to 170,829,728.02, 256,653,385.15 and 109,538,969.18

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Solution

The fourth proportional to 170,829,728.02, 256,653,385.15 and 109,538,969.18 is: 164,570,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,728.02 : 256,653,385.15 = 109,538,969.18 : x
  2. Step 2: Convert to fraction form
    170,829,728.02/256,653,385.15 = 109,538,969.18/x
  3. Step 3: Cross multiply
    170,829,728.02x = 256,653,385.15 × 109,538,969.18
  4. Step 4: Simplify right side
    170,829,728.02x = 28,113,547,245,888,524
  5. Step 5: Solve for x
    x = 28,113,547,245,888,524/170,829,728.02
  6. Step 6: Final answer
    x = 164,570,578.97

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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.