Home / 331,848,400.80-497,772,601.20-86,184,877.80

Finding the Fourth Proportional to 331,848,400.80, 497,772,601.20 and 86,184,877.80

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Solution

The fourth proportional to 331,848,400.80, 497,772,601.20 and 86,184,877.80 is: 129,277,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,848,400.80 : 497,772,601.20 = 86,184,877.80 : x
  2. Step 2: Convert to fraction form
    331,848,400.80/497,772,601.20 = 86,184,877.80/x
  3. Step 3: Cross multiply
    331,848,400.80x = 497,772,601.20 × 86,184,877.80
  4. Step 4: Simplify right side
    331,848,400.80x = 42,900,470,806,610,128
  5. Step 5: Solve for x
    x = 42,900,470,806,610,128/331,848,400.80
  6. Step 6: Final answer
    x = 129,277,316.70

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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.