Home / 77,319,056.16-106,700,719.32-45,530,612.64

Finding the Fourth Proportional to 77,319,056.16, 106,700,719.32 and 45,530,612.64

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Solution

The fourth proportional to 77,319,056.16, 106,700,719.32 and 45,530,612.64 is: 62,832,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319,056.16 : 106,700,719.32 = 45,530,612.64 : x
  2. Step 2: Convert to fraction form
    77,319,056.16/106,700,719.32 = 45,530,612.64/x
  3. Step 3: Cross multiply
    77,319,056.16x = 106,700,719.32 × 45,530,612.64
  4. Step 4: Simplify right side
    77,319,056.16x = 4,858,149,119,768,284
  5. Step 5: Solve for x
    x = 4,858,149,119,768,284/77,319,056.16
  6. Step 6: Final answer
    x = 62,832,493.84

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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.