Home / 130,003,135-179,404,352.22-72,056,383

Finding the Fourth Proportional to 130,003,135, 179,404,352.22 and 72,056,383

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Solution

The fourth proportional to 130,003,135, 179,404,352.22 and 72,056,383 is: 99,437,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003,135 : 179,404,352.22 = 72,056,383 : x
  2. Step 2: Convert to fraction form
    130,003,135/179,404,352.22 = 72,056,383/x
  3. Step 3: Cross multiply
    130,003,135x = 179,404,352.22 × 72,056,383
  4. Step 4: Simplify right side
    130,003,135x = 12,927,228,715,431,220
  5. Step 5: Solve for x
    x = 12,927,228,715,431,220/130,003,135
  6. Step 6: Final answer
    x = 99,437,822.91

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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.