Home / 140,205,181.29-210,119,784.36-109,118,376.31

Finding the Fourth Proportional to 140,205,181.29, 210,119,784.36 and 109,118,376.31

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Solution

The fourth proportional to 140,205,181.29, 210,119,784.36 and 109,118,376.31 is: 163,531,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,181.29 : 210,119,784.36 = 109,118,376.31 : x
  2. Step 2: Convert to fraction form
    140,205,181.29/210,119,784.36 = 109,118,376.31/x
  3. Step 3: Cross multiply
    140,205,181.29x = 210,119,784.36 × 109,118,376.31
  4. Step 4: Simplify right side
    140,205,181.29x = 22,927,929,700,338,476
  5. Step 5: Solve for x
    x = 22,927,929,700,338,476/140,205,181.29
  6. Step 6: Final answer
    x = 163,531,258.19

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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.