Home / 188,129,097.65-282,083,815.34-72,979,086.17

Finding the Fourth Proportional to 188,129,097.65, 282,083,815.34 and 72,979,086.17

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Solution

The fourth proportional to 188,129,097.65, 282,083,815.34 and 72,979,086.17 is: 109,426,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,129,097.65 : 282,083,815.34 = 72,979,086.17 : x
  2. Step 2: Convert to fraction form
    188,129,097.65/282,083,815.34 = 72,979,086.17/x
  3. Step 3: Cross multiply
    188,129,097.65x = 282,083,815.34 × 72,979,086.17
  4. Step 4: Simplify right side
    188,129,097.65x = 20,586,219,066,495,332
  5. Step 5: Solve for x
    x = 20,586,219,066,495,332/188,129,097.65
  6. Step 6: Final answer
    x = 109,426,023.53

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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.