Home / 205,293,170,984.40-307,761,702,466.68-79,437,143,313.36

Finding the Fourth Proportional to 205,293,170,984.40, 307,761,702,466.68 and 79,437,143,313.36

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Solution

The fourth proportional to 205,293,170,984.40, 307,761,702,466.68 and 79,437,143,313.36 is: 119,086,817,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,293,170,984.40 : 307,761,702,466.68 = 79,437,143,313.36 : x
  2. Step 2: Convert to fraction form
    205,293,170,984.40/307,761,702,466.68 = 79,437,143,313.36/x
  3. Step 3: Cross multiply
    205,293,170,984.40x = 307,761,702,466.68 × 79,437,143,313.36
  4. Step 4: Simplify right side
    205,293,170,984.40x = 24,447,710,465,209,317,457,920
  5. Step 5: Solve for x
    x = 24,447,710,465,209,317,457,920/205,293,170,984.40
  6. Step 6: Final answer
    x = 119,086,817,880.89

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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.