Home / 280,060,390.61-386,533,929.90-167,037,128.28

Finding the Fourth Proportional to 280,060,390.61, 386,533,929.90 and 167,037,128.28

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Solution

The fourth proportional to 280,060,390.61, 386,533,929.90 and 167,037,128.28 is: 230,541,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,060,390.61 : 386,533,929.90 = 167,037,128.28 : x
  2. Step 2: Convert to fraction form
    280,060,390.61/386,533,929.90 = 167,037,128.28/x
  3. Step 3: Cross multiply
    280,060,390.61x = 386,533,929.90 × 167,037,128.28
  4. Step 4: Simplify right side
    280,060,390.61x = 64,565,517,633,278,824
  5. Step 5: Solve for x
    x = 64,565,517,633,278,824/280,060,390.61
  6. Step 6: Final answer
    x = 230,541,411.06

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