Home / 258,905,924.64-357,301,037.52-148,897,725.12

Finding the Fourth Proportional to 258,905,924.64, 357,301,037.52 and 148,897,725.12

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Solution

The fourth proportional to 258,905,924.64, 357,301,037.52 and 148,897,725.12 is: 205,485,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,905,924.64 : 357,301,037.52 = 148,897,725.12 : x
  2. Step 2: Convert to fraction form
    258,905,924.64/357,301,037.52 = 148,897,725.12/x
  3. Step 3: Cross multiply
    258,905,924.64x = 357,301,037.52 × 148,897,725.12
  4. Step 4: Simplify right side
    258,905,924.64x = 53,201,311,669,743,768
  5. Step 5: Solve for x
    x = 53,201,311,669,743,768/258,905,924.64
  6. Step 6: Final answer
    x = 205,485,107.16

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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.