Home / 144,896,023.60-217,595,977.80-76,871,575.60

Finding the Fourth Proportional to 144,896,023.60, 217,595,977.80 and 76,871,575.60

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Solution

The fourth proportional to 144,896,023.60, 217,595,977.80 and 76,871,575.60 is: 115,441,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896,023.60 : 217,595,977.80 = 76,871,575.60 : x
  2. Step 2: Convert to fraction form
    144,896,023.60/217,595,977.80 = 76,871,575.60/x
  3. Step 3: Cross multiply
    144,896,023.60x = 217,595,977.80 × 76,871,575.60
  4. Step 4: Simplify right side
    144,896,023.60x = 16,726,945,657,708,622
  5. Step 5: Solve for x
    x = 16,726,945,657,708,622/144,896,023.60
  6. Step 6: Final answer
    x = 115,441,026.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.