Home / 78,903,154,172.88-118,342,772,780.04-21,474,463,115.52

Finding the Fourth Proportional to 78,903,154,172.88, 118,342,772,780.04 and 21,474,463,115.52

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Solution

The fourth proportional to 78,903,154,172.88, 118,342,772,780.04 and 21,474,463,115.52 is: 32,208,440,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,154,172.88 : 118,342,772,780.04 = 21,474,463,115.52 : x
  2. Step 2: Convert to fraction form
    78,903,154,172.88/118,342,772,780.04 = 21,474,463,115.52/x
  3. Step 3: Cross multiply
    78,903,154,172.88x = 118,342,772,780.04 × 21,474,463,115.52
  4. Step 4: Simplify right side
    78,903,154,172.88x = 2,541,347,509,053,332,914,176
  5. Step 5: Solve for x
    x = 2,541,347,509,053,332,914,176/78,903,154,172.88
  6. Step 6: Final answer
    x = 32,208,440,026.18

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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.