Home / 90,346,415.86-124,678,739.73-49,093,530.58

Finding the Fourth Proportional to 90,346,415.86, 124,678,739.73 and 49,093,530.58

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Solution

The fourth proportional to 90,346,415.86, 124,678,739.73 and 49,093,530.58 is: 67,749,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346,415.86 : 124,678,739.73 = 49,093,530.58 : x
  2. Step 2: Convert to fraction form
    90,346,415.86/124,678,739.73 = 49,093,530.58/x
  3. Step 3: Cross multiply
    90,346,415.86x = 124,678,739.73 × 49,093,530.58
  4. Step 4: Simplify right side
    90,346,415.86x = 6,120,919,521,610,616
  5. Step 5: Solve for x
    x = 6,120,919,521,610,616/90,346,415.86
  6. Step 6: Final answer
    x = 67,749,444.88

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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.