Home / 52,378,712.21-72,282,643.89-30,364,974.47

Finding the Fourth Proportional to 52,378,712.21, 72,282,643.89 and 30,364,974.47

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Solution

The fourth proportional to 52,378,712.21, 72,282,643.89 and 30,364,974.47 is: 41,903,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378,712.21 : 72,282,643.89 = 30,364,974.47 : x
  2. Step 2: Convert to fraction form
    52,378,712.21/72,282,643.89 = 30,364,974.47/x
  3. Step 3: Cross multiply
    52,378,712.21x = 72,282,643.89 × 30,364,974.47
  4. Step 4: Simplify right side
    52,378,712.21x = 2,194,860,636,343,951.50
  5. Step 5: Solve for x
    x = 2,194,860,636,343,951.50/52,378,712.21
  6. Step 6: Final answer
    x = 41,903,676.97

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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.