Home / 140,254,620.32-210,381,931.32-38,018,657.54

Finding the Fourth Proportional to 140,254,620.32, 210,381,931.32 and 38,018,657.54

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Solution

The fourth proportional to 140,254,620.32, 210,381,931.32 and 38,018,657.54 is: 57,027,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,254,620.32 : 210,381,931.32 = 38,018,657.54 : x
  2. Step 2: Convert to fraction form
    140,254,620.32/210,381,931.32 = 38,018,657.54/x
  3. Step 3: Cross multiply
    140,254,620.32x = 210,381,931.32 × 38,018,657.54
  4. Step 4: Simplify right side
    140,254,620.32x = 7,998,438,599,458,880
  5. Step 5: Solve for x
    x = 7,998,438,599,458,880/140,254,620.32
  6. Step 6: Final answer
    x = 57,027,986.54

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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.