Home / 78,627,311.92-117,940,967.84-24,039,897.51

Finding the Fourth Proportional to 78,627,311.92, 117,940,967.84 and 24,039,897.51

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Solution

The fourth proportional to 78,627,311.92, 117,940,967.84 and 24,039,897.51 is: 36,059,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,627,311.92 : 117,940,967.84 = 24,039,897.51 : x
  2. Step 2: Convert to fraction form
    78,627,311.92/117,940,967.84 = 24,039,897.51/x
  3. Step 3: Cross multiply
    78,627,311.92x = 117,940,967.84 × 24,039,897.51
  4. Step 4: Simplify right side
    78,627,311.92x = 2,835,288,779,163,906
  5. Step 5: Solve for x
    x = 2,835,288,779,163,906/78,627,311.92
  6. Step 6: Final answer
    x = 36,059,846.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.