Home / 61,824,729.64-92,747,788.60-20,884,466.90

Finding the Fourth Proportional to 61,824,729.64, 92,747,788.60 and 20,884,466.90

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Solution

The fourth proportional to 61,824,729.64, 92,747,788.60 and 20,884,466.90 is: 31,330,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,824,729.64 : 92,747,788.60 = 20,884,466.90 : x
  2. Step 2: Convert to fraction form
    61,824,729.64/92,747,788.60 = 20,884,466.90/x
  3. Step 3: Cross multiply
    61,824,729.64x = 92,747,788.60 × 20,884,466.90
  4. Step 4: Simplify right side
    61,824,729.64x = 1,936,988,121,064,897
  5. Step 5: Solve for x
    x = 1,936,988,121,064,897/61,824,729.64
  6. Step 6: Final answer
    x = 31,330,312.84

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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.