Home / 156,755,778.60-216,328,525.23-86,196,758.88

Finding the Fourth Proportional to 156,755,778.60, 216,328,525.23 and 86,196,758.88

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Solution

The fourth proportional to 156,755,778.60, 216,328,525.23 and 86,196,758.88 is: 118,954,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,755,778.60 : 216,328,525.23 = 86,196,758.88 : x
  2. Step 2: Convert to fraction form
    156,755,778.60/216,328,525.23 = 86,196,758.88/x
  3. Step 3: Cross multiply
    156,755,778.60x = 216,328,525.23 × 86,196,758.88
  4. Step 4: Simplify right side
    156,755,778.60x = 18,646,817,728,116,304
  5. Step 5: Solve for x
    x = 18,646,817,728,116,304/156,755,778.60
  6. Step 6: Final answer
    x = 118,954,579.50

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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.