Home / 210,382,886.13-290,314,547.87-121,060,413.46

Finding the Fourth Proportional to 210,382,886.13, 290,314,547.87 and 121,060,413.46

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Solution

The fourth proportional to 210,382,886.13, 290,314,547.87 and 121,060,413.46 is: 167,055,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,382,886.13 : 290,314,547.87 = 121,060,413.46 : x
  2. Step 2: Convert to fraction form
    210,382,886.13/290,314,547.87 = 121,060,413.46/x
  3. Step 3: Cross multiply
    210,382,886.13x = 290,314,547.87 × 121,060,413.46
  4. Step 4: Simplify right side
    210,382,886.13x = 35,145,599,197,399,856
  5. Step 5: Solve for x
    x = 35,145,599,197,399,856/210,382,886.13
  6. Step 6: Final answer
    x = 167,055,409.51

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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.