Home / 189,781,529.75-284,684,785.16-49,725,416.37

Finding the Fourth Proportional to 189,781,529.75, 284,684,785.16 and 49,725,416.37

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Solution

The fourth proportional to 189,781,529.75, 284,684,785.16 and 49,725,416.37 is: 74,591,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,781,529.75 : 284,684,785.16 = 49,725,416.37 : x
  2. Step 2: Convert to fraction form
    189,781,529.75/284,684,785.16 = 49,725,416.37/x
  3. Step 3: Cross multiply
    189,781,529.75x = 284,684,785.16 × 49,725,416.37
  4. Step 4: Simplify right side
    189,781,529.75x = 14,156,069,476,036,368
  5. Step 5: Solve for x
    x = 14,156,069,476,036,368/189,781,529.75
  6. Step 6: Final answer
    x = 74,591,397.25

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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.