Home / 217,030,400.40-325,540,351.80-130,703,386.80

Finding the Fourth Proportional to 217,030,400.40, 325,540,351.80 and 130,703,386.80

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Solution

The fourth proportional to 217,030,400.40, 325,540,351.80 and 130,703,386.80 is: 196,051,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,030,400.40 : 325,540,351.80 = 130,703,386.80 : x
  2. Step 2: Convert to fraction form
    217,030,400.40/325,540,351.80 = 130,703,386.80/x
  3. Step 3: Cross multiply
    217,030,400.40x = 325,540,351.80 × 130,703,386.80
  4. Step 4: Simplify right side
    217,030,400.40x = 42,549,226,520,323,480
  5. Step 5: Solve for x
    x = 42,549,226,520,323,480/217,030,400.40
  6. Step 6: Final answer
    x = 196,051,919.19

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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.