Home / 202,070,537.79-278,857,397.70-111,544,083.51

Finding the Fourth Proportional to 202,070,537.79, 278,857,397.70 and 111,544,083.51

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Solution

The fourth proportional to 202,070,537.79, 278,857,397.70 and 111,544,083.51 is: 153,930,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,070,537.79 : 278,857,397.70 = 111,544,083.51 : x
  2. Step 2: Convert to fraction form
    202,070,537.79/278,857,397.70 = 111,544,083.51/x
  3. Step 3: Cross multiply
    202,070,537.79x = 278,857,397.70 × 111,544,083.51
  4. Step 4: Simplify right side
    202,070,537.79x = 31,104,892,856,430,084
  5. Step 5: Solve for x
    x = 31,104,892,856,430,084/202,070,537.79
  6. Step 6: Final answer
    x = 153,930,865.91

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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.