Home / 56,242,709.64-77,611,816.98-31,458,109.32

Finding the Fourth Proportional to 56,242,709.64, 77,611,816.98 and 31,458,109.32

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Solution

The fourth proportional to 56,242,709.64, 77,611,816.98 and 31,458,109.32 is: 43,410,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,242,709.64 : 77,611,816.98 = 31,458,109.32 : x
  2. Step 2: Convert to fraction form
    56,242,709.64/77,611,816.98 = 31,458,109.32/x
  3. Step 3: Cross multiply
    56,242,709.64x = 77,611,816.98 × 31,458,109.32
  4. Step 4: Simplify right side
    56,242,709.64x = 2,441,521,023,080,672.50
  5. Step 5: Solve for x
    x = 2,441,521,023,080,672.50/56,242,709.64
  6. Step 6: Final answer
    x = 43,410,444.46

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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.