Home / 209,339,833.04-288,888,982.80-116,518,348.16

Finding the Fourth Proportional to 209,339,833.04, 288,888,982.80 and 116,518,348.16

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Solution

The fourth proportional to 209,339,833.04, 288,888,982.80 and 116,518,348.16 is: 160,795,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,339,833.04 : 288,888,982.80 = 116,518,348.16 : x
  2. Step 2: Convert to fraction form
    209,339,833.04/288,888,982.80 = 116,518,348.16/x
  3. Step 3: Cross multiply
    209,339,833.04x = 288,888,982.80 × 116,518,348.16
  4. Step 4: Simplify right side
    209,339,833.04x = 33,660,867,077,478,652
  5. Step 5: Solve for x
    x = 33,660,867,077,478,652/209,339,833.04
  6. Step 6: Final answer
    x = 160,795,327.81

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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.