Home / 218,967,844,556.79-328,546,154,962.52-118,218,708,507.12

Finding the Fourth Proportional to 218,967,844,556.79, 328,546,154,962.52 and 118,218,708,507.12

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Solution

The fourth proportional to 218,967,844,556.79, 328,546,154,962.52 and 118,218,708,507.12 is: 177,379,022,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,967,844,556.79 : 328,546,154,962.52 = 118,218,708,507.12 : x
  2. Step 2: Convert to fraction form
    218,967,844,556.79/328,546,154,962.52 = 118,218,708,507.12/x
  3. Step 3: Cross multiply
    218,967,844,556.79x = 328,546,154,962.52 × 118,218,708,507.12
  4. Step 4: Simplify right side
    218,967,844,556.79x = 38,840,302,124,649,228,009,472
  5. Step 5: Solve for x
    x = 38,840,302,124,649,228,009,472/218,967,844,556.79
  6. Step 6: Final answer
    x = 177,379,022,035.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.