Home / 155,492,233.30-214,575,174.93-85,876,115.86

Finding the Fourth Proportional to 155,492,233.30, 214,575,174.93 and 85,876,115.86

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Solution

The fourth proportional to 155,492,233.30, 214,575,174.93 and 85,876,115.86 is: 118,506,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,492,233.30 : 214,575,174.93 = 85,876,115.86 : x
  2. Step 2: Convert to fraction form
    155,492,233.30/214,575,174.93 = 85,876,115.86/x
  3. Step 3: Cross multiply
    155,492,233.30x = 214,575,174.93 × 85,876,115.86
  4. Step 4: Simplify right side
    155,492,233.30x = 18,426,882,582,968,448
  5. Step 5: Solve for x
    x = 18,426,882,582,968,448/155,492,233.30
  6. Step 6: Final answer
    x = 118,506,771.64

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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.