Home / 79,502,815.98-119,169,191.79-36,307,291.50

Finding the Fourth Proportional to 79,502,815.98, 119,169,191.79 and 36,307,291.50

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Solution

The fourth proportional to 79,502,815.98, 119,169,191.79 and 36,307,291.50 is: 54,422,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,502,815.98 : 119,169,191.79 = 36,307,291.50 : x
  2. Step 2: Convert to fraction form
    79,502,815.98/119,169,191.79 = 36,307,291.50/x
  3. Step 3: Cross multiply
    79,502,815.98x = 119,169,191.79 × 36,307,291.50
  4. Step 4: Simplify right side
    79,502,815.98x = 4,326,710,584,138,937
  5. Step 5: Solve for x
    x = 4,326,710,584,138,937/79,502,815.98
  6. Step 6: Final answer
    x = 54,422,104.81

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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.