Home / 47,779,081.69-71,319,817.04-40,999,223.14

Finding the Fourth Proportional to 47,779,081.69, 71,319,817.04 and 40,999,223.14

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Solution

The fourth proportional to 47,779,081.69, 71,319,817.04 and 40,999,223.14 is: 61,199,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779,081.69 : 71,319,817.04 = 40,999,223.14 : x
  2. Step 2: Convert to fraction form
    47,779,081.69/71,319,817.04 = 40,999,223.14/x
  3. Step 3: Cross multiply
    47,779,081.69x = 71,319,817.04 × 40,999,223.14
  4. Step 4: Simplify right side
    47,779,081.69x = 2,924,057,093,126,934.50
  5. Step 5: Solve for x
    x = 2,924,057,093,126,934.50/47,779,081.69
  6. Step 6: Final answer
    x = 61,199,524.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.