Home / 101,994,146.61-140,774,640.05-64,817,177.78

Finding the Fourth Proportional to 101,994,146.61, 140,774,640.05 and 64,817,177.78

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Solution

The fourth proportional to 101,994,146.61, 140,774,640.05 and 64,817,177.78 is: 89,462,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,994,146.61 : 140,774,640.05 = 64,817,177.78 : x
  2. Step 2: Convert to fraction form
    101,994,146.61/140,774,640.05 = 64,817,177.78/x
  3. Step 3: Cross multiply
    101,994,146.61x = 140,774,640.05 × 64,817,177.78
  4. Step 4: Simplify right side
    101,994,146.61x = 9,124,614,871,550,338
  5. Step 5: Solve for x
    x = 9,124,614,871,550,338/101,994,146.61
  6. Step 6: Final answer
    x = 89,462,142.43

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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.