Home / 73,774,455,385.11-110,668,436,424.32-20,715,130,962.78

Finding the Fourth Proportional to 73,774,455,385.11, 110,668,436,424.32 and 20,715,130,962.78

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Solution

The fourth proportional to 73,774,455,385.11, 110,668,436,424.32 and 20,715,130,962.78 is: 31,074,592,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,774,455,385.11 : 110,668,436,424.32 = 20,715,130,962.78 : x
  2. Step 2: Convert to fraction form
    73,774,455,385.11/110,668,436,424.32 = 20,715,130,962.78/x
  3. Step 3: Cross multiply
    73,774,455,385.11x = 110,668,436,424.32 × 20,715,130,962.78
  4. Step 4: Simplify right side
    73,774,455,385.11x = 2,292,511,153,975,881,105,408
  5. Step 5: Solve for x
    x = 2,292,511,153,975,881,105,408/73,774,455,385.11
  6. Step 6: Final answer
    x = 31,074,592,716.53

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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.