Home / 137,208,529.06-189,348,100.65-75,332,856.10

Finding the Fourth Proportional to 137,208,529.06, 189,348,100.65 and 75,332,856.10

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Solution

The fourth proportional to 137,208,529.06, 189,348,100.65 and 75,332,856.10 is: 103,959,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,208,529.06 : 189,348,100.65 = 75,332,856.10 : x
  2. Step 2: Convert to fraction form
    137,208,529.06/189,348,100.65 = 75,332,856.10/x
  3. Step 3: Cross multiply
    137,208,529.06x = 189,348,100.65 × 75,332,856.10
  4. Step 4: Simplify right side
    137,208,529.06x = 14,264,133,219,074,766
  5. Step 5: Solve for x
    x = 14,264,133,219,074,766/137,208,529.06
  6. Step 6: Final answer
    x = 103,959,522.90

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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.