Home / 152,319,556.81-210,195,095.30-82,703,344.60

Finding the Fourth Proportional to 152,319,556.81, 210,195,095.30 and 82,703,344.60

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Solution

The fourth proportional to 152,319,556.81, 210,195,095.30 and 82,703,344.60 is: 114,127,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319,556.81 : 210,195,095.30 = 82,703,344.60 : x
  2. Step 2: Convert to fraction form
    152,319,556.81/210,195,095.30 = 82,703,344.60/x
  3. Step 3: Cross multiply
    152,319,556.81x = 210,195,095.30 × 82,703,344.60
  4. Step 4: Simplify right side
    152,319,556.81x = 17,383,837,399,035,980
  5. Step 5: Solve for x
    x = 17,383,837,399,035,980/152,319,556.81
  6. Step 6: Final answer
    x = 114,127,415.83

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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.