Home / 152,319,996.27-210,195,699.75-82,703,784.06

Finding the Fourth Proportional to 152,319,996.27, 210,195,699.75 and 82,703,784.06

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Solution

The fourth proportional to 152,319,996.27, 210,195,699.75 and 82,703,784.06 is: 114,128,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319,996.27 : 210,195,699.75 = 82,703,784.06 : x
  2. Step 2: Convert to fraction form
    152,319,996.27/210,195,699.75 = 82,703,784.06/x
  3. Step 3: Cross multiply
    152,319,996.27x = 210,195,699.75 × 82,703,784.06
  4. Step 4: Simplify right side
    152,319,996.27x = 17,383,979,762,464,596
  5. Step 5: Solve for x
    x = 17,383,979,762,464,596/152,319,996.27
  6. Step 6: Final answer
    x = 114,128,021.19

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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.