Home / 75,139,450.34-112,630,510.99-31,445,243.21

Finding the Fourth Proportional to 75,139,450.34, 112,630,510.99 and 31,445,243.21

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Solution

The fourth proportional to 75,139,450.34, 112,630,510.99 and 31,445,243.21 is: 47,134,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139,450.34 : 112,630,510.99 = 31,445,243.21 : x
  2. Step 2: Convert to fraction form
    75,139,450.34/112,630,510.99 = 31,445,243.21/x
  3. Step 3: Cross multiply
    75,139,450.34x = 112,630,510.99 × 31,445,243.21
  4. Step 4: Simplify right side
    75,139,450.34x = 3,541,693,811,268,010.50
  5. Step 5: Solve for x
    x = 3,541,693,811,268,010.50/75,139,450.34
  6. Step 6: Final answer
    x = 47,134,944.37

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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.