Home / 57,462,817.92-79,300,374.12-31,359,021.36

Finding the Fourth Proportional to 57,462,817.92, 79,300,374.12 and 31,359,021.36

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Solution

The fourth proportional to 57,462,817.92, 79,300,374.12 and 31,359,021.36 is: 43,276,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,462,817.92 : 79,300,374.12 = 31,359,021.36 : x
  2. Step 2: Convert to fraction form
    57,462,817.92/79,300,374.12 = 31,359,021.36/x
  3. Step 3: Cross multiply
    57,462,817.92x = 79,300,374.12 × 31,359,021.36
  4. Step 4: Simplify right side
    57,462,817.92x = 2,486,782,125,885,071.50
  5. Step 5: Solve for x
    x = 2,486,782,125,885,071.50/57,462,817.92
  6. Step 6: Final answer
    x = 43,276,369.24

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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.