Home / 124,212,924.69-171,414,538.79-72,032,941.77

Finding the Fourth Proportional to 124,212,924.69, 171,414,538.79 and 72,032,941.77

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Solution

The fourth proportional to 124,212,924.69, 171,414,538.79 and 72,032,941.77 is: 99,405,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212,924.69 : 171,414,538.79 = 72,032,941.77 : x
  2. Step 2: Convert to fraction form
    124,212,924.69/171,414,538.79 = 72,032,941.77/x
  3. Step 3: Cross multiply
    124,212,924.69x = 171,414,538.79 × 72,032,941.77
  4. Step 4: Simplify right side
    124,212,924.69x = 12,347,493,490,831,310
  5. Step 5: Solve for x
    x = 12,347,493,490,831,310/124,212,924.69
  6. Step 6: Final answer
    x = 99,405,867.16

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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.