Home / 60,658,098,728.68-90,999,557,656.08-20,858,704,779.61

Finding the Fourth Proportional to 60,658,098,728.68, 90,999,557,656.08 and 20,858,704,779.61

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Solution

The fourth proportional to 60,658,098,728.68, 90,999,557,656.08 and 20,858,704,779.61 is: 31,292,324,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658,098,728.68 : 90,999,557,656.08 = 20,858,704,779.61 : x
  2. Step 2: Convert to fraction form
    60,658,098,728.68/90,999,557,656.08 = 20,858,704,779.61/x
  3. Step 3: Cross multiply
    60,658,098,728.68x = 90,999,557,656.08 × 20,858,704,779.61
  4. Step 4: Simplify right side
    60,658,098,728.68x = 1,898,132,908,223,271,796,736
  5. Step 5: Solve for x
    x = 1,898,132,908,223,271,796,736/60,658,098,728.68
  6. Step 6: Final answer
    x = 31,292,324,487.67

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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.