Home / 202,070,525.17-278,857,380.28-111,544,070.89

Finding the Fourth Proportional to 202,070,525.17, 278,857,380.28 and 111,544,070.89

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Solution

The fourth proportional to 202,070,525.17, 278,857,380.28 and 111,544,070.89 is: 153,930,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,070,525.17 : 278,857,380.28 = 111,544,070.89 : x
  2. Step 2: Convert to fraction form
    202,070,525.17/278,857,380.28 = 111,544,070.89/x
  3. Step 3: Cross multiply
    202,070,525.17x = 278,857,380.28 × 111,544,070.89
  4. Step 4: Simplify right side
    202,070,525.17x = 31,104,887,394,152,004
  5. Step 5: Solve for x
    x = 31,104,887,394,152,004/202,070,525.17
  6. Step 6: Final answer
    x = 153,930,848.49

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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.