Home / 155,637,683.12-214,780,847.10-85,073,388.14

Finding the Fourth Proportional to 155,637,683.12, 214,780,847.10 and 85,073,388.14

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Solution

The fourth proportional to 155,637,683.12, 214,780,847.10 and 85,073,388.14 is: 117,401,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,637,683.12 : 214,780,847.10 = 85,073,388.14 : x
  2. Step 2: Convert to fraction form
    155,637,683.12/214,780,847.10 = 85,073,388.14/x
  3. Step 3: Cross multiply
    155,637,683.12x = 214,780,847.10 × 85,073,388.14
  4. Step 4: Simplify right side
    155,637,683.12x = 18,272,134,370,376,292
  5. Step 5: Solve for x
    x = 18,272,134,370,376,292/155,637,683.12
  6. Step 6: Final answer
    x = 117,401,737.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.