Home / 353,768,051.70-530,652,077.55-123,713,147.70

Finding the Fourth Proportional to 353,768,051.70, 530,652,077.55 and 123,713,147.70

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Solution

The fourth proportional to 353,768,051.70, 530,652,077.55 and 123,713,147.70 is: 185,569,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,768,051.70 : 530,652,077.55 = 123,713,147.70 : x
  2. Step 2: Convert to fraction form
    353,768,051.70/530,652,077.55 = 123,713,147.70/x
  3. Step 3: Cross multiply
    353,768,051.70x = 530,652,077.55 × 123,713,147.70
  4. Step 4: Simplify right side
    353,768,051.70x = 65,648,638,847,255,008
  5. Step 5: Solve for x
    x = 65,648,638,847,255,008/353,768,051.70
  6. Step 6: Final answer
    x = 185,569,721.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.