Home / 90,731,927.70-136,097,891.55-65,222,759.70

Finding the Fourth Proportional to 90,731,927.70, 136,097,891.55 and 65,222,759.70

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Solution

The fourth proportional to 90,731,927.70, 136,097,891.55 and 65,222,759.70 is: 97,834,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,731,927.70 : 136,097,891.55 = 65,222,759.70 : x
  2. Step 2: Convert to fraction form
    90,731,927.70/136,097,891.55 = 65,222,759.70/x
  3. Step 3: Cross multiply
    90,731,927.70x = 136,097,891.55 × 65,222,759.70
  4. Step 4: Simplify right side
    90,731,927.70x = 8,876,680,076,242,312
  5. Step 5: Solve for x
    x = 8,876,680,076,242,312/90,731,927.70
  6. Step 6: Final answer
    x = 97,834,139.55

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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.