Home / 76,668,487,557.82-115,005,074,209.15-26,303,214,859.92

Finding the Fourth Proportional to 76,668,487,557.82, 115,005,074,209.15 and 26,303,214,859.92

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Solution

The fourth proportional to 76,668,487,557.82, 115,005,074,209.15 and 26,303,214,859.92 is: 39,455,626,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668,487,557.82 : 115,005,074,209.15 = 26,303,214,859.92 : x
  2. Step 2: Convert to fraction form
    76,668,487,557.82/115,005,074,209.15 = 26,303,214,859.92/x
  3. Step 3: Cross multiply
    76,668,487,557.82x = 115,005,074,209.15 × 26,303,214,859.92
  4. Step 4: Simplify right side
    76,668,487,557.82x = 3,025,003,176,904,316,420,096
  5. Step 5: Solve for x
    x = 3,025,003,176,904,316,420,096/76,668,487,557.82
  6. Step 6: Final answer
    x = 39,455,626,076.14

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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.