Home / 217,291,345.20-325,937,017.80-166,273,009.20

Finding the Fourth Proportional to 217,291,345.20, 325,937,017.80 and 166,273,009.20

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Solution

The fourth proportional to 217,291,345.20, 325,937,017.80 and 166,273,009.20 is: 249,409,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,291,345.20 : 325,937,017.80 = 166,273,009.20 : x
  2. Step 2: Convert to fraction form
    217,291,345.20/325,937,017.80 = 166,273,009.20/x
  3. Step 3: Cross multiply
    217,291,345.20x = 325,937,017.80 × 166,273,009.20
  4. Step 4: Simplify right side
    217,291,345.20x = 54,194,528,759,279,960
  5. Step 5: Solve for x
    x = 54,194,528,759,279,960/217,291,345.20
  6. Step 6: Final answer
    x = 249,409,513.80

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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.