Home / 144,140,272.77-198,912,515.58-78,059,238.06

Finding the Fourth Proportional to 144,140,272.77, 198,912,515.58 and 78,059,238.06

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Solution

The fourth proportional to 144,140,272.77, 198,912,515.58 and 78,059,238.06 is: 107,721,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,140,272.77 : 198,912,515.58 = 78,059,238.06 : x
  2. Step 2: Convert to fraction form
    144,140,272.77/198,912,515.58 = 78,059,238.06/x
  3. Step 3: Cross multiply
    144,140,272.77x = 198,912,515.58 × 78,059,238.06
  4. Step 4: Simplify right side
    144,140,272.77x = 15,526,959,406,772,680
  5. Step 5: Solve for x
    x = 15,526,959,406,772,680/144,140,272.77
  6. Step 6: Final answer
    x = 107,721,174.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.