Home / 189,918,654.86-262,087,743.70-102,998,526.86

Finding the Fourth Proportional to 189,918,654.86, 262,087,743.70 and 102,998,526.86

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Solution

The fourth proportional to 189,918,654.86, 262,087,743.70 and 102,998,526.86 is: 142,137,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,918,654.86 : 262,087,743.70 = 102,998,526.86 : x
  2. Step 2: Convert to fraction form
    189,918,654.86/262,087,743.70 = 102,998,526.86/x
  3. Step 3: Cross multiply
    189,918,654.86x = 262,087,743.70 × 102,998,526.86
  4. Step 4: Simplify right side
    189,918,654.86x = 26,994,651,509,161,244
  5. Step 5: Solve for x
    x = 26,994,651,509,161,244/189,918,654.86
  6. Step 6: Final answer
    x = 142,137,967.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.