Home / 130,003,167-179,404,396.38-72,056,415

Finding the Fourth Proportional to 130,003,167, 179,404,396.38 and 72,056,415

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Solution

The fourth proportional to 130,003,167, 179,404,396.38 and 72,056,415 is: 99,437,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003,167 : 179,404,396.38 = 72,056,415 : x
  2. Step 2: Convert to fraction form
    130,003,167/179,404,396.38 = 72,056,415/x
  3. Step 3: Cross multiply
    130,003,167x = 179,404,396.38 × 72,056,415
  4. Step 4: Simplify right side
    130,003,167x = 12,927,237,638,381,778
  5. Step 5: Solve for x
    x = 12,927,237,638,381,778/130,003,167
  6. Step 6: Final answer
    x = 99,437,867.07

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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.