Home / 31,441,159,655.98-47,145,190,877.11-21,495,447,658.46

Finding the Fourth Proportional to 31,441,159,655.98, 47,145,190,877.11 and 21,495,447,658.46

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Solution

The fourth proportional to 31,441,159,655.98, 47,145,190,877.11 and 21,495,447,658.46 is: 32,231,857,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441,159,655.98 : 47,145,190,877.11 = 21,495,447,658.46 : x
  2. Step 2: Convert to fraction form
    31,441,159,655.98/47,145,190,877.11 = 21,495,447,658.46/x
  3. Step 3: Cross multiply
    31,441,159,655.98x = 47,145,190,877.11 × 21,495,447,658.46
  4. Step 4: Simplify right side
    31,441,159,655.98x = 1,013,406,982,847,101,009,920
  5. Step 5: Solve for x
    x = 1,013,406,982,847,101,009,920/31,441,159,655.98
  6. Step 6: Final answer
    x = 32,231,857,664.78

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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.