Home / 162,157,808.37-223,776,582.09-87,816,644.33

Finding the Fourth Proportional to 162,157,808.37, 223,776,582.09 and 87,816,644.33

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Solution

The fourth proportional to 162,157,808.37, 223,776,582.09 and 87,816,644.33 is: 121,186,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,157,808.37 : 223,776,582.09 = 87,816,644.33 : x
  2. Step 2: Convert to fraction form
    162,157,808.37/223,776,582.09 = 87,816,644.33/x
  3. Step 3: Cross multiply
    162,157,808.37x = 223,776,582.09 × 87,816,644.33
  4. Step 4: Simplify right side
    162,157,808.37x = 19,651,308,517,661,696
  5. Step 5: Solve for x
    x = 19,651,308,517,661,696/162,157,808.37
  6. Step 6: Final answer
    x = 121,186,322.85

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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.