Home / 57,640,832.28-86,461,143.12-18,779,238.18

Finding the Fourth Proportional to 57,640,832.28, 86,461,143.12 and 18,779,238.18

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Solution

The fourth proportional to 57,640,832.28, 86,461,143.12 and 18,779,238.18 is: 28,168,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640,832.28 : 86,461,143.12 = 18,779,238.18 : x
  2. Step 2: Convert to fraction form
    57,640,832.28/86,461,143.12 = 18,779,238.18/x
  3. Step 3: Cross multiply
    57,640,832.28x = 86,461,143.12 × 18,779,238.18
  4. Step 4: Simplify right side
    57,640,832.28x = 1,623,674,399,965,548.50
  5. Step 5: Solve for x
    x = 1,623,674,399,965,548.50/57,640,832.28
  6. Step 6: Final answer
    x = 28,168,822.96

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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.