Home / 156,732,933.51-216,291,586.64-86,169,744.36

Finding the Fourth Proportional to 156,732,933.51, 216,291,586.64 and 86,169,744.36

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Solution

The fourth proportional to 156,732,933.51, 216,291,586.64 and 86,169,744.36 is: 118,914,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732,933.51 : 216,291,586.64 = 86,169,744.36 : x
  2. Step 2: Convert to fraction form
    156,732,933.51/216,291,586.64 = 86,169,744.36/x
  3. Step 3: Cross multiply
    156,732,933.51x = 216,291,586.64 × 86,169,744.36
  4. Step 4: Simplify right side
    156,732,933.51x = 18,637,790,727,556,740
  5. Step 5: Solve for x
    x = 18,637,790,727,556,740/156,732,933.51
  6. Step 6: Final answer
    x = 118,914,323.30

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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.