Home / 101,570,460.60-152,097,051.27-66,921,817.44

Finding the Fourth Proportional to 101,570,460.60, 152,097,051.27 and 66,921,817.44

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Solution

The fourth proportional to 101,570,460.60, 152,097,051.27 and 66,921,817.44 is: 100,212,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,570,460.60 : 152,097,051.27 = 66,921,817.44 : x
  2. Step 2: Convert to fraction form
    101,570,460.60/152,097,051.27 = 66,921,817.44/x
  3. Step 3: Cross multiply
    101,570,460.60x = 152,097,051.27 × 66,921,817.44
  4. Step 4: Simplify right side
    101,570,460.60x = 10,178,611,099,074,582
  5. Step 5: Solve for x
    x = 10,178,611,099,074,582/101,570,460.60
  6. Step 6: Final answer
    x = 100,212,316.05

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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.