Home / 162,157,809.37-223,776,583.47-87,816,645.33

Finding the Fourth Proportional to 162,157,809.37, 223,776,583.47 and 87,816,645.33

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Solution

The fourth proportional to 162,157,809.37, 223,776,583.47 and 87,816,645.33 is: 121,186,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,157,809.37 : 223,776,583.47 = 87,816,645.33 : x
  2. Step 2: Convert to fraction form
    162,157,809.37/223,776,583.47 = 87,816,645.33/x
  3. Step 3: Cross multiply
    162,157,809.37x = 223,776,583.47 × 87,816,645.33
  4. Step 4: Simplify right side
    162,157,809.37x = 19,651,308,863,744,132
  5. Step 5: Solve for x
    x = 19,651,308,863,744,132/162,157,809.37
  6. Step 6: Final answer
    x = 121,186,324.24

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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.