Home / 55,196,587,598.58-76,171,140,330.39-30,782,024,349.66

Finding the Fourth Proportional to 55,196,587,598.58, 76,171,140,330.39 and 30,782,024,349.66

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Solution

The fourth proportional to 55,196,587,598.58, 76,171,140,330.39 and 30,782,024,349.66 is: 42,479,109,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,587,598.58 : 76,171,140,330.39 = 30,782,024,349.66 : x
  2. Step 2: Convert to fraction form
    55,196,587,598.58/76,171,140,330.39 = 30,782,024,349.66/x
  3. Step 3: Cross multiply
    55,196,587,598.58x = 76,171,140,330.39 × 30,782,024,349.66
  4. Step 4: Simplify right side
    55,196,587,598.58x = 2,344,701,896,391,433,912,320
  5. Step 5: Solve for x
    x = 2,344,701,896,391,433,912,320/55,196,587,598.58
  6. Step 6: Final answer
    x = 42,479,109,640.68

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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.