Home / 61,892,274.60-92,805,752.70-20,937,637.80

Finding the Fourth Proportional to 61,892,274.60, 92,805,752.70 and 20,937,637.80

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Solution

The fourth proportional to 61,892,274.60, 92,805,752.70 and 20,937,637.80 is: 31,395,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892,274.60 : 92,805,752.70 = 20,937,637.80 : x
  2. Step 2: Convert to fraction form
    61,892,274.60/92,805,752.70 = 20,937,637.80/x
  3. Step 3: Cross multiply
    61,892,274.60x = 92,805,752.70 × 20,937,637.80
  4. Step 4: Simplify right side
    61,892,274.60x = 1,943,133,235,788,972.25
  5. Step 5: Solve for x
    x = 1,943,133,235,788,972.25/61,892,274.60
  6. Step 6: Final answer
    x = 31,395,408.37

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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.