Home / 215,198,712.76-297,065,857.69-144,675,224.01

Finding the Fourth Proportional to 215,198,712.76, 297,065,857.69 and 144,675,224.01

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Solution

The fourth proportional to 215,198,712.76, 297,065,857.69 and 144,675,224.01 is: 199,713,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,198,712.76 : 297,065,857.69 = 144,675,224.01 : x
  2. Step 2: Convert to fraction form
    215,198,712.76/297,065,857.69 = 144,675,224.01/x
  3. Step 3: Cross multiply
    215,198,712.76x = 297,065,857.69 × 144,675,224.01
  4. Step 4: Simplify right side
    215,198,712.76x = 42,978,069,506,276,712
  5. Step 5: Solve for x
    x = 42,978,069,506,276,712/215,198,712.76
  6. Step 6: Final answer
    x = 199,713,413.50

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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.