Home / 189,342,455.08-261,272,682.72-109,941,995.80

Finding the Fourth Proportional to 189,342,455.08, 261,272,682.72 and 109,941,995.80

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Solution

The fourth proportional to 189,342,455.08, 261,272,682.72 and 109,941,995.80 is: 151,708,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,342,455.08 : 261,272,682.72 = 109,941,995.80 : x
  2. Step 2: Convert to fraction form
    189,342,455.08/261,272,682.72 = 109,941,995.80/x
  3. Step 3: Cross multiply
    189,342,455.08x = 261,272,682.72 × 109,941,995.80
  4. Step 4: Simplify right side
    189,342,455.08x = 28,724,840,186,256,972
  5. Step 5: Solve for x
    x = 28,724,840,186,256,972/189,342,455.08
  6. Step 6: Final answer
    x = 151,708,396.17

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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.