Home / 116,338,512.18-160,547,107.64-64,128,419.73

Finding the Fourth Proportional to 116,338,512.18, 160,547,107.64 and 64,128,419.73

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Solution

The fourth proportional to 116,338,512.18, 160,547,107.64 and 64,128,419.73 is: 88,497,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,338,512.18 : 160,547,107.64 = 64,128,419.73 : x
  2. Step 2: Convert to fraction form
    116,338,512.18/160,547,107.64 = 64,128,419.73/x
  3. Step 3: Cross multiply
    116,338,512.18x = 160,547,107.64 × 64,128,419.73
  4. Step 4: Simplify right side
    116,338,512.18x = 10,295,632,305,937,784
  5. Step 5: Solve for x
    x = 10,295,632,305,937,784/116,338,512.18
  6. Step 6: Final answer
    x = 88,497,197.65

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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.