Home / 145,627,909.26-200,967,199.74-79,549,324.26

Finding the Fourth Proportional to 145,627,909.26, 200,967,199.74 and 79,549,324.26

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Solution

The fourth proportional to 145,627,909.26, 200,967,199.74 and 79,549,324.26 is: 109,778,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,909.26 : 200,967,199.74 = 79,549,324.26 : x
  2. Step 2: Convert to fraction form
    145,627,909.26/200,967,199.74 = 79,549,324.26/x
  3. Step 3: Cross multiply
    145,627,909.26x = 200,967,199.74 × 79,549,324.26
  4. Step 4: Simplify right side
    145,627,909.26x = 15,986,804,937,741,450
  5. Step 5: Solve for x
    x = 15,986,804,937,741,450/145,627,909.26
  6. Step 6: Final answer
    x = 109,778,441.64

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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.