Home / 57,983,930.44-80,017,875.30-31,878,892.36

Finding the Fourth Proportional to 57,983,930.44, 80,017,875.30 and 31,878,892.36

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Solution

The fourth proportional to 57,983,930.44, 80,017,875.30 and 31,878,892.36 is: 43,992,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983,930.44 : 80,017,875.30 = 31,878,892.36 : x
  2. Step 2: Convert to fraction form
    57,983,930.44/80,017,875.30 = 31,878,892.36/x
  3. Step 3: Cross multiply
    57,983,930.44x = 80,017,875.30 × 31,878,892.36
  4. Step 4: Simplify right side
    57,983,930.44x = 2,550,881,233,564,602.50
  5. Step 5: Solve for x
    x = 2,550,881,233,564,602.50/57,983,930.44
  6. Step 6: Final answer
    x = 43,992,899.66

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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.