Home / 259,144,289.52-357,623,369.88-154,731,485.04

Finding the Fourth Proportional to 259,144,289.52, 357,623,369.88 and 154,731,485.04

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Solution

The fourth proportional to 259,144,289.52, 357,623,369.88 and 154,731,485.04 is: 213,531,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,144,289.52 : 357,623,369.88 = 154,731,485.04 : x
  2. Step 2: Convert to fraction form
    259,144,289.52/357,623,369.88 = 154,731,485.04/x
  3. Step 3: Cross multiply
    259,144,289.52x = 357,623,369.88 × 154,731,485.04
  4. Step 4: Simplify right side
    259,144,289.52x = 55,335,595,106,541,600
  5. Step 5: Solve for x
    x = 55,335,595,106,541,600/259,144,289.52
  6. Step 6: Final answer
    x = 213,531,987.18

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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.