Home / 225,216,328.45-310,831,162.54-126,103,463.07

Finding the Fourth Proportional to 225,216,328.45, 310,831,162.54 and 126,103,463.07

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Solution

The fourth proportional to 225,216,328.45, 310,831,162.54 and 126,103,463.07 is: 174,041,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,216,328.45 : 310,831,162.54 = 126,103,463.07 : x
  2. Step 2: Convert to fraction form
    225,216,328.45/310,831,162.54 = 126,103,463.07/x
  3. Step 3: Cross multiply
    225,216,328.45x = 310,831,162.54 × 126,103,463.07
  4. Step 4: Simplify right side
    225,216,328.45x = 39,196,886,026,368,056
  5. Step 5: Solve for x
    x = 39,196,886,026,368,056/225,216,328.45
  6. Step 6: Final answer
    x = 174,041,048.87

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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.