Home / 124,212,838.44-171,414,419.76-72,032,855.52

Finding the Fourth Proportional to 124,212,838.44, 171,414,419.76 and 72,032,855.52

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Solution

The fourth proportional to 124,212,838.44, 171,414,419.76 and 72,032,855.52 is: 99,405,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212,838.44 : 171,414,419.76 = 72,032,855.52 : x
  2. Step 2: Convert to fraction form
    124,212,838.44/171,414,419.76 = 72,032,855.52/x
  3. Step 3: Cross multiply
    124,212,838.44x = 171,414,419.76 × 72,032,855.52
  4. Step 4: Simplify right side
    124,212,838.44x = 12,347,470,132,616,712
  5. Step 5: Solve for x
    x = 12,347,470,132,616,712/124,212,838.44
  6. Step 6: Final answer
    x = 99,405,748.13

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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.