Home / 258,114,415.19-356,193,408.18-140,640,710.74

Finding the Fourth Proportional to 258,114,415.19, 356,193,408.18 and 140,640,710.74

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Solution

The fourth proportional to 258,114,415.19, 356,193,408.18 and 140,640,710.74 is: 194,081,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,415.19 : 356,193,408.18 = 140,640,710.74 : x
  2. Step 2: Convert to fraction form
    258,114,415.19/356,193,408.18 = 140,640,710.74/x
  3. Step 3: Cross multiply
    258,114,415.19x = 356,193,408.18 × 140,640,710.74
  4. Step 4: Simplify right side
    258,114,415.19x = 50,095,294,086,447,648
  5. Step 5: Solve for x
    x = 50,095,294,086,447,648/258,114,415.19
  6. Step 6: Final answer
    x = 194,081,737.17

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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.