Home / 77,168,515,712.15-115,739,934,844.59-23,372,861,152.32

Finding the Fourth Proportional to 77,168,515,712.15, 115,739,934,844.59 and 23,372,861,152.32

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Solution

The fourth proportional to 77,168,515,712.15, 115,739,934,844.59 and 23,372,861,152.32 is: 35,055,403,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,515,712.15 : 115,739,934,844.59 = 23,372,861,152.32 : x
  2. Step 2: Convert to fraction form
    77,168,515,712.15/115,739,934,844.59 = 23,372,861,152.32/x
  3. Step 3: Cross multiply
    77,168,515,712.15x = 115,739,934,844.59 × 23,372,861,152.32
  4. Step 4: Simplify right side
    77,168,515,712.15x = 2,705,173,426,901,165,277,184
  5. Step 5: Solve for x
    x = 2,705,173,426,901,165,277,184/77,168,515,712.15
  6. Step 6: Final answer
    x = 35,055,403,125.70

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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.