Home / 79,840,577.48-110,152,934.01-65,130,815.48

Finding the Fourth Proportional to 79,840,577.48, 110,152,934.01 and 65,130,815.48

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Solution

The fourth proportional to 79,840,577.48, 110,152,934.01 and 65,130,815.48 is: 89,858,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840,577.48 : 110,152,934.01 = 65,130,815.48 : x
  2. Step 2: Convert to fraction form
    79,840,577.48/110,152,934.01 = 65,130,815.48/x
  3. Step 3: Cross multiply
    79,840,577.48x = 110,152,934.01 × 65,130,815.48
  4. Step 4: Simplify right side
    79,840,577.48x = 7,174,350,419,035,162
  5. Step 5: Solve for x
    x = 7,174,350,419,035,162/79,840,577.48
  6. Step 6: Final answer
    x = 89,858,448.50

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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.