Home / 156,152,492.58-215,486,772.48-86,536,378.74

Finding the Fourth Proportional to 156,152,492.58, 215,486,772.48 and 86,536,378.74

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Solution

The fourth proportional to 156,152,492.58, 215,486,772.48 and 86,536,378.74 is: 119,418,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,152,492.58 : 215,486,772.48 = 86,536,378.74 : x
  2. Step 2: Convert to fraction form
    156,152,492.58/215,486,772.48 = 86,536,378.74/x
  3. Step 3: Cross multiply
    156,152,492.58x = 215,486,772.48 × 86,536,378.74
  4. Step 4: Simplify right side
    156,152,492.58x = 18,647,444,956,789,488
  5. Step 5: Solve for x
    x = 18,647,444,956,789,488/156,152,492.58
  6. Step 6: Final answer
    x = 119,418,170.33

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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.