Home / 156,067,893.24-215,370,811.08-86,451,746.64

Finding the Fourth Proportional to 156,067,893.24, 215,370,811.08 and 86,451,746.64

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Solution

The fourth proportional to 156,067,893.24, 215,370,811.08 and 86,451,746.64 is: 119,301,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067,893.24 : 215,370,811.08 = 86,451,746.64 : x
  2. Step 2: Convert to fraction form
    156,067,893.24/215,370,811.08 = 86,451,746.64/x
  3. Step 3: Cross multiply
    156,067,893.24x = 215,370,811.08 × 86,451,746.64
  4. Step 4: Simplify right side
    156,067,893.24x = 18,619,182,793,139,468
  5. Step 5: Solve for x
    x = 18,619,182,793,139,468/156,067,893.24
  6. Step 6: Final answer
    x = 119,301,814.14

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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.