Home / 165,357,914.40-248,036,871.60-127,094,162.40

Finding the Fourth Proportional to 165,357,914.40, 248,036,871.60 and 127,094,162.40

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Solution

The fourth proportional to 165,357,914.40, 248,036,871.60 and 127,094,162.40 is: 190,641,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,357,914.40 : 248,036,871.60 = 127,094,162.40 : x
  2. Step 2: Convert to fraction form
    165,357,914.40/248,036,871.60 = 127,094,162.40/x
  3. Step 3: Cross multiply
    165,357,914.40x = 248,036,871.60 × 127,094,162.40
  4. Step 4: Simplify right side
    165,357,914.40x = 31,524,038,440,318,348
  5. Step 5: Solve for x
    x = 31,524,038,440,318,348/165,357,914.40
  6. Step 6: Final answer
    x = 190,641,243.60

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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.