Home / 155,159,052.36-214,323,880.98-115,006,446.51

Finding the Fourth Proportional to 155,159,052.36, 214,323,880.98 and 115,006,446.51

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Solution

The fourth proportional to 155,159,052.36, 214,323,880.98 and 115,006,446.51 is: 158,860,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,159,052.36 : 214,323,880.98 = 115,006,446.51 : x
  2. Step 2: Convert to fraction form
    155,159,052.36/214,323,880.98 = 115,006,446.51/x
  3. Step 3: Cross multiply
    155,159,052.36x = 214,323,880.98 × 115,006,446.51
  4. Step 4: Simplify right side
    155,159,052.36x = 24,648,627,953,741,976
  5. Step 5: Solve for x
    x = 24,648,627,953,741,976/155,159,052.36
  6. Step 6: Final answer
    x = 158,860,392.47

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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.