Home / 78,903,154,178.88-118,342,772,789.04-21,474,463,121.52

Finding the Fourth Proportional to 78,903,154,178.88, 118,342,772,789.04 and 21,474,463,121.52

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Solution

The fourth proportional to 78,903,154,178.88, 118,342,772,789.04 and 21,474,463,121.52 is: 32,208,440,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,154,178.88 : 118,342,772,789.04 = 21,474,463,121.52 : x
  2. Step 2: Convert to fraction form
    78,903,154,178.88/118,342,772,789.04 = 21,474,463,121.52/x
  3. Step 3: Cross multiply
    78,903,154,178.88x = 118,342,772,789.04 × 21,474,463,121.52
  4. Step 4: Simplify right side
    78,903,154,178.88x = 2,541,347,509,956,660,166,656
  5. Step 5: Solve for x
    x = 2,541,347,509,956,660,166,656/78,903,154,178.88
  6. Step 6: Final answer
    x = 32,208,440,035.18

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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.