Home / 21,282,166,314.21-31,923,280,195.50-8,691,024,760.76

Finding the Fourth Proportional to 21,282,166,314.21, 31,923,280,195.50 and 8,691,024,760.76

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Solution

The fourth proportional to 21,282,166,314.21, 31,923,280,195.50 and 8,691,024,760.76 is: 13,036,549,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,166,314.21 : 31,923,280,195.50 = 8,691,024,760.76 : x
  2. Step 2: Convert to fraction form
    21,282,166,314.21/31,923,280,195.50 = 8,691,024,760.76/x
  3. Step 3: Cross multiply
    21,282,166,314.21x = 31,923,280,195.50 × 8,691,024,760.76
  4. Step 4: Simplify right side
    21,282,166,314.21x = 277,446,018,623,687,131,136
  5. Step 5: Solve for x
    x = 277,446,018,623,687,131,136/21,282,166,314.21
  6. Step 6: Final answer
    x = 13,036,549,688.01

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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.