Home / 268,361,066.30-402,475,114.64-114,989,730.62

Finding the Fourth Proportional to 268,361,066.30, 402,475,114.64 and 114,989,730.62

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Solution

The fourth proportional to 268,361,066.30, 402,475,114.64 and 114,989,730.62 is: 172,456,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,361,066.30 : 402,475,114.64 = 114,989,730.62 : x
  2. Step 2: Convert to fraction form
    268,361,066.30/402,475,114.64 = 114,989,730.62/x
  3. Step 3: Cross multiply
    268,361,066.30x = 402,475,114.64 × 114,989,730.62
  4. Step 4: Simplify right side
    268,361,066.30x = 46,280,505,011,982,312
  5. Step 5: Solve for x
    x = 46,280,505,011,982,312/268,361,066.30
  6. Step 6: Final answer
    x = 172,456,107.93

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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.