Home / 140,254,619.32-210,381,929.82-38,018,656.54

Finding the Fourth Proportional to 140,254,619.32, 210,381,929.82 and 38,018,656.54

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Solution

The fourth proportional to 140,254,619.32, 210,381,929.82 and 38,018,656.54 is: 57,027,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,254,619.32 : 210,381,929.82 = 38,018,656.54 : x
  2. Step 2: Convert to fraction form
    140,254,619.32/210,381,929.82 = 38,018,656.54/x
  3. Step 3: Cross multiply
    140,254,619.32x = 210,381,929.82 × 38,018,656.54
  4. Step 4: Simplify right side
    140,254,619.32x = 7,998,438,332,048,964
  5. Step 5: Solve for x
    x = 7,998,438,332,048,964/140,254,619.32
  6. Step 6: Final answer
    x = 57,027,985.04

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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.