Home / 209,952,275.80-314,928,413.70-196,347,386.20

Finding the Fourth Proportional to 209,952,275.80, 314,928,413.70 and 196,347,386.20

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Solution

The fourth proportional to 209,952,275.80, 314,928,413.70 and 196,347,386.20 is: 294,521,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,275.80 : 314,928,413.70 = 196,347,386.20 : x
  2. Step 2: Convert to fraction form
    209,952,275.80/314,928,413.70 = 196,347,386.20/x
  3. Step 3: Cross multiply
    209,952,275.80x = 314,928,413.70 × 196,347,386.20
  4. Step 4: Simplify right side
    209,952,275.80x = 61,835,370,870,107,264
  5. Step 5: Solve for x
    x = 61,835,370,870,107,264/209,952,275.80
  6. Step 6: Final answer
    x = 294,521,079.30

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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.