Home / 155,492,244.30-214,575,190.11-85,876,126.86

Finding the Fourth Proportional to 155,492,244.30, 214,575,190.11 and 85,876,126.86

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Solution

The fourth proportional to 155,492,244.30, 214,575,190.11 and 85,876,126.86 is: 118,506,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,492,244.30 : 214,575,190.11 = 85,876,126.86 : x
  2. Step 2: Convert to fraction form
    155,492,244.30/214,575,190.11 = 85,876,126.86/x
  3. Step 3: Cross multiply
    155,492,244.30x = 214,575,190.11 × 85,876,126.86
  4. Step 4: Simplify right side
    155,492,244.30x = 18,426,886,246,894,980
  5. Step 5: Solve for x
    x = 18,426,886,246,894,980/155,492,244.30
  6. Step 6: Final answer
    x = 118,506,786.82

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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.