Home / 209,953,136.80-314,929,705.20-73,652,298.40

Finding the Fourth Proportional to 209,953,136.80, 314,929,705.20 and 73,652,298.40

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Solution

The fourth proportional to 209,953,136.80, 314,929,705.20 and 73,652,298.40 is: 110,478,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,136.80 : 314,929,705.20 = 73,652,298.40 : x
  2. Step 2: Convert to fraction form
    209,953,136.80/314,929,705.20 = 73,652,298.40/x
  3. Step 3: Cross multiply
    209,953,136.80x = 314,929,705.20 × 73,652,298.40
  4. Step 4: Simplify right side
    209,953,136.80x = 23,195,296,622,414,432
  5. Step 5: Solve for x
    x = 23,195,296,622,414,432/209,953,136.80
  6. Step 6: Final answer
    x = 110,478,447.60

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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.