Home / 207,210,133.16-310,661,971.22-125,310,803.79

Finding the Fourth Proportional to 207,210,133.16, 310,661,971.22 and 125,310,803.79

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Solution

The fourth proportional to 207,210,133.16, 310,661,971.22 and 125,310,803.79 is: 187,873,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,210,133.16 : 310,661,971.22 = 125,310,803.79 : x
  2. Step 2: Convert to fraction form
    207,210,133.16/310,661,971.22 = 125,310,803.79/x
  3. Step 3: Cross multiply
    207,210,133.16x = 310,661,971.22 × 125,310,803.79
  4. Step 4: Simplify right side
    207,210,133.16x = 38,929,301,319,937,488
  5. Step 5: Solve for x
    x = 38,929,301,319,937,488/207,210,133.16
  6. Step 6: Final answer
    x = 187,873,540.39

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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.