Home / 72,612,833.51-100,209,262.93-40,833,005.49

Finding the Fourth Proportional to 72,612,833.51, 100,209,262.93 and 40,833,005.49

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Solution

The fourth proportional to 72,612,833.51, 100,209,262.93 and 40,833,005.49 is: 56,351,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,612,833.51 : 100,209,262.93 = 40,833,005.49 : x
  2. Step 2: Convert to fraction form
    72,612,833.51/100,209,262.93 = 40,833,005.49/x
  3. Step 3: Cross multiply
    72,612,833.51x = 100,209,262.93 × 40,833,005.49
  4. Step 4: Simplify right side
    72,612,833.51x = 4,091,845,383,267,461
  5. Step 5: Solve for x
    x = 4,091,845,383,267,461/72,612,833.51
  6. Step 6: Final answer
    x = 56,351,545.39

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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.