Home / 156,067,897.74-215,370,817.29-86,451,751.14

Finding the Fourth Proportional to 156,067,897.74, 215,370,817.29 and 86,451,751.14

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Solution

The fourth proportional to 156,067,897.74, 215,370,817.29 and 86,451,751.14 is: 119,301,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067,897.74 : 215,370,817.29 = 86,451,751.14 : x
  2. Step 2: Convert to fraction form
    156,067,897.74/215,370,817.29 = 86,451,751.14/x
  3. Step 3: Cross multiply
    156,067,897.74x = 215,370,817.29 × 86,451,751.14
  4. Step 4: Simplify right side
    156,067,897.74x = 18,619,184,299,173,488
  5. Step 5: Solve for x
    x = 18,619,184,299,173,488/156,067,897.74
  6. Step 6: Final answer
    x = 119,301,820.35

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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.