Home / 137,208,531.06-189,348,103.42-75,332,858.10

Finding the Fourth Proportional to 137,208,531.06, 189,348,103.42 and 75,332,858.10

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Solution

The fourth proportional to 137,208,531.06, 189,348,103.42 and 75,332,858.10 is: 103,959,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,208,531.06 : 189,348,103.42 = 75,332,858.10 : x
  2. Step 2: Convert to fraction form
    137,208,531.06/189,348,103.42 = 75,332,858.10/x
  3. Step 3: Cross multiply
    137,208,531.06x = 189,348,103.42 × 75,332,858.10
  4. Step 4: Simplify right side
    137,208,531.06x = 14,264,133,806,442,982
  5. Step 5: Solve for x
    x = 14,264,133,806,442,982/137,208,531.06
  6. Step 6: Final answer
    x = 103,959,525.67

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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.