Home / 131,518,887.93-181,496,418.39-72,785,603.25

Finding the Fourth Proportional to 131,518,887.93, 181,496,418.39 and 72,785,603.25

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Solution

The fourth proportional to 131,518,887.93, 181,496,418.39 and 72,785,603.25 is: 100,444,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,518,887.93 : 181,496,418.39 = 72,785,603.25 : x
  2. Step 2: Convert to fraction form
    131,518,887.93/181,496,418.39 = 72,785,603.25/x
  3. Step 3: Cross multiply
    131,518,887.93x = 181,496,418.39 × 72,785,603.25
  4. Step 4: Simplify right side
    131,518,887.93x = 13,210,326,300,230,542
  5. Step 5: Solve for x
    x = 13,210,326,300,230,542/131,518,887.93
  6. Step 6: Final answer
    x = 100,444,327.87

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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.