Home / 312,693,792.14-469,112,746.89-108,221,869.82

Finding the Fourth Proportional to 312,693,792.14, 469,112,746.89 and 108,221,869.82

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Solution

The fourth proportional to 312,693,792.14, 469,112,746.89 and 108,221,869.82 is: 162,357,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,693,792.14 : 469,112,746.89 = 108,221,869.82 : x
  2. Step 2: Convert to fraction form
    312,693,792.14/469,112,746.89 = 108,221,869.82/x
  3. Step 3: Cross multiply
    312,693,792.14x = 469,112,746.89 × 108,221,869.82
  4. Step 4: Simplify right side
    312,693,792.14x = 50,768,258,624,832,184
  5. Step 5: Solve for x
    x = 50,768,258,624,832,184/312,693,792.14
  6. Step 6: Final answer
    x = 162,357,743.90

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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.