Home / 61,002,068.10-91,503,102.15-20,611,968.90

Finding the Fourth Proportional to 61,002,068.10, 91,503,102.15 and 20,611,968.90

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Solution

The fourth proportional to 61,002,068.10, 91,503,102.15 and 20,611,968.90 is: 30,917,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,002,068.10 : 91,503,102.15 = 20,611,968.90 : x
  2. Step 2: Convert to fraction form
    61,002,068.10/91,503,102.15 = 20,611,968.90/x
  3. Step 3: Cross multiply
    61,002,068.10x = 91,503,102.15 × 20,611,968.90
  4. Step 4: Simplify right side
    61,002,068.10x = 1,886,059,095,769,323
  5. Step 5: Solve for x
    x = 1,886,059,095,769,323/61,002,068.10
  6. Step 6: Final answer
    x = 30,917,953.35

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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.