Home / 85,591,995,698.57-128,276,307,487.39-47,817,045,194.24

Finding the Fourth Proportional to 85,591,995,698.57, 128,276,307,487.39 and 47,817,045,194.24

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Solution

The fourth proportional to 85,591,995,698.57, 128,276,307,487.39 and 47,817,045,194.24 is: 71,663,172,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,591,995,698.57 : 128,276,307,487.39 = 47,817,045,194.24 : x
  2. Step 2: Convert to fraction form
    85,591,995,698.57/128,276,307,487.39 = 47,817,045,194.24/x
  3. Step 3: Cross multiply
    85,591,995,698.57x = 128,276,307,487.39 × 47,817,045,194.24
  4. Step 4: Simplify right side
    85,591,995,698.57x = 6,133,793,992,475,010,924,544
  5. Step 5: Solve for x
    x = 6,133,793,992,475,010,924,544/85,591,995,698.57
  6. Step 6: Final answer
    x = 71,663,172,968.61

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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.