Home / 140,242,670.84-210,354,029.42-43,188,258.21

Finding the Fourth Proportional to 140,242,670.84, 210,354,029.42 and 43,188,258.21

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Solution

The fourth proportional to 140,242,670.84, 210,354,029.42 and 43,188,258.21 is: 64,779,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,242,670.84 : 210,354,029.42 = 43,188,258.21 : x
  2. Step 2: Convert to fraction form
    140,242,670.84/210,354,029.42 = 43,188,258.21/x
  3. Step 3: Cross multiply
    140,242,670.84x = 210,354,029.42 × 43,188,258.21
  4. Step 4: Simplify right side
    140,242,670.84x = 9,084,824,137,888,956
  5. Step 5: Solve for x
    x = 9,084,824,137,888,956/140,242,670.84
  6. Step 6: Final answer
    x = 64,779,314.91

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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.