Home / 61,929,801.90-92,891,750.40-20,985,225.30

Finding the Fourth Proportional to 61,929,801.90, 92,891,750.40 and 20,985,225.30

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Solution

The fourth proportional to 61,929,801.90, 92,891,750.40 and 20,985,225.30 is: 31,476,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929,801.90 : 92,891,750.40 = 20,985,225.30 : x
  2. Step 2: Convert to fraction form
    61,929,801.90/92,891,750.40 = 20,985,225.30/x
  3. Step 3: Cross multiply
    61,929,801.90x = 92,891,750.40 × 20,985,225.30
  4. Step 4: Simplify right side
    61,929,801.90x = 1,949,354,310,655,365.25
  5. Step 5: Solve for x
    x = 1,949,354,310,655,365.25/61,929,801.90
  6. Step 6: Final answer
    x = 31,476,837.50

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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.