Home / 126,353,952-189,530,953.92-45,574,911.36

Finding the Fourth Proportional to 126,353,952, 189,530,953.92 and 45,574,911.36

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Solution

The fourth proportional to 126,353,952, 189,530,953.92 and 45,574,911.36 is: 68,362,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,353,952 : 189,530,953.92 = 45,574,911.36 : x
  2. Step 2: Convert to fraction form
    126,353,952/189,530,953.92 = 45,574,911.36/x
  3. Step 3: Cross multiply
    126,353,952x = 189,530,953.92 × 45,574,911.36
  4. Step 4: Simplify right side
    126,353,952x = 8,637,856,424,880,244
  5. Step 5: Solve for x
    x = 8,637,856,424,880,244/126,353,952
  6. Step 6: Final answer
    x = 68,362,376.39

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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.