Home / 104,978,538.40-157,467,807.60-102,144,186.40

Finding the Fourth Proportional to 104,978,538.40, 157,467,807.60 and 102,144,186.40

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Solution

The fourth proportional to 104,978,538.40, 157,467,807.60 and 102,144,186.40 is: 153,216,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,978,538.40 : 157,467,807.60 = 102,144,186.40 : x
  2. Step 2: Convert to fraction form
    104,978,538.40/157,467,807.60 = 102,144,186.40/x
  3. Step 3: Cross multiply
    104,978,538.40x = 157,467,807.60 × 102,144,186.40
  4. Step 4: Simplify right side
    104,978,538.40x = 16,084,421,091,493,736
  5. Step 5: Solve for x
    x = 16,084,421,091,493,736/104,978,538.40
  6. Step 6: Final answer
    x = 153,216,279.60

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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.