Home / 287,981,841.02-397,268,530.26-174,921,246.61

Finding the Fourth Proportional to 287,981,841.02, 397,268,530.26 and 174,921,246.61

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Solution

The fourth proportional to 287,981,841.02, 397,268,530.26 and 174,921,246.61 is: 241,302,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,981,841.02 : 397,268,530.26 = 174,921,246.61 : x
  2. Step 2: Convert to fraction form
    287,981,841.02/397,268,530.26 = 174,921,246.61/x
  3. Step 3: Cross multiply
    287,981,841.02x = 397,268,530.26 × 174,921,246.61
  4. Step 4: Simplify right side
    287,981,841.02x = 69,490,706,552,585,232
  5. Step 5: Solve for x
    x = 69,490,706,552,585,232/287,981,841.02
  6. Step 6: Final answer
    x = 241,302,390.13

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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.