Home / 141,312,002.80-211,975,002.60-73,287,554.80

Finding the Fourth Proportional to 141,312,002.80, 211,975,002.60 and 73,287,554.80

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Solution

The fourth proportional to 141,312,002.80, 211,975,002.60 and 73,287,554.80 is: 109,934,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,312,002.80 : 211,975,002.60 = 73,287,554.80 : x
  2. Step 2: Convert to fraction form
    141,312,002.80/211,975,002.60 = 73,287,554.80/x
  3. Step 3: Cross multiply
    141,312,002.80x = 211,975,002.60 × 73,287,554.80
  4. Step 4: Simplify right side
    141,312,002.80x = 15,535,129,619,277,642
  5. Step 5: Solve for x
    x = 15,535,129,619,277,642/141,312,002.80
  6. Step 6: Final answer
    x = 109,934,961.73

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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.