Home / 156,732,961.26-216,291,624.93-86,169,772.11

Finding the Fourth Proportional to 156,732,961.26, 216,291,624.93 and 86,169,772.11

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Solution

The fourth proportional to 156,732,961.26, 216,291,624.93 and 86,169,772.11 is: 118,914,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732,961.26 : 216,291,624.93 = 86,169,772.11 : x
  2. Step 2: Convert to fraction form
    156,732,961.26/216,291,624.93 = 86,169,772.11/x
  3. Step 3: Cross multiply
    156,732,961.26x = 216,291,624.93 × 86,169,772.11
  4. Step 4: Simplify right side
    156,732,961.26x = 18,637,800,029,519,696
  5. Step 5: Solve for x
    x = 18,637,800,029,519,696/156,732,961.26
  6. Step 6: Final answer
    x = 118,914,361.60

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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.