Home / 74,917,796-112,376,737.74-21,065,108

Finding the Fourth Proportional to 74,917,796, 112,376,737.74 and 21,065,108

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Solution

The fourth proportional to 74,917,796, 112,376,737.74 and 21,065,108 is: 31,597,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917,796 : 112,376,737.74 = 21,065,108 : x
  2. Step 2: Convert to fraction form
    74,917,796/112,376,737.74 = 21,065,108/x
  3. Step 3: Cross multiply
    74,917,796x = 112,376,737.74 × 21,065,108
  4. Step 4: Simplify right side
    74,917,796x = 2,367,228,117,180,776
  5. Step 5: Solve for x
    x = 2,367,228,117,180,776/74,917,796
  6. Step 6: Final answer
    x = 31,597,674.30

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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.