Home / 57,646,363.10-79,551,928.59-31,540,989.74

Finding the Fourth Proportional to 57,646,363.10, 79,551,928.59 and 31,540,989.74

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Solution

The fourth proportional to 57,646,363.10, 79,551,928.59 and 31,540,989.74 is: 43,526,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646,363.10 : 79,551,928.59 = 31,540,989.74 : x
  2. Step 2: Convert to fraction form
    57,646,363.10/79,551,928.59 = 31,540,989.74/x
  3. Step 3: Cross multiply
    57,646,363.10x = 79,551,928.59 × 31,540,989.74
  4. Step 4: Simplify right side
    57,646,363.10x = 2,509,146,563,454,402.50
  5. Step 5: Solve for x
    x = 2,509,146,563,454,402.50/57,646,363.10
  6. Step 6: Final answer
    x = 43,526,537.12

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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.