Home / 101,529,055.04-140,111,780.64-55,119,306.56

Finding the Fourth Proportional to 101,529,055.04, 140,111,780.64 and 55,119,306.56

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Solution

The fourth proportional to 101,529,055.04, 140,111,780.64 and 55,119,306.56 is: 76,065,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,529,055.04 : 140,111,780.64 = 55,119,306.56 : x
  2. Step 2: Convert to fraction form
    101,529,055.04/140,111,780.64 = 55,119,306.56/x
  3. Step 3: Cross multiply
    101,529,055.04x = 140,111,780.64 × 55,119,306.56
  4. Step 4: Simplify right side
    101,529,055.04x = 7,722,864,189,763,633
  5. Step 5: Solve for x
    x = 7,722,864,189,763,633/101,529,055.04
  6. Step 6: Final answer
    x = 76,065,557.65

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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.