Home / 72,028,342.86-99,361,916.91-48,815,531.34

Finding the Fourth Proportional to 72,028,342.86, 99,361,916.91 and 48,815,531.34

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Solution

The fourth proportional to 72,028,342.86, 99,361,916.91 and 48,815,531.34 is: 67,340,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,028,342.86 : 99,361,916.91 = 48,815,531.34 : x
  2. Step 2: Convert to fraction form
    72,028,342.86/99,361,916.91 = 48,815,531.34/x
  3. Step 3: Cross multiply
    72,028,342.86x = 99,361,916.91 × 48,815,531.34
  4. Step 4: Simplify right side
    72,028,342.86x = 4,850,404,768,922,581
  5. Step 5: Solve for x
    x = 4,850,404,768,922,581/72,028,342.86
  6. Step 6: Final answer
    x = 67,340,224.37

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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.