Home / 155,118,025.84-214,062,823.48-85,504,569.28

Finding the Fourth Proportional to 155,118,025.84, 214,062,823.48 and 85,504,569.28

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Solution

The fourth proportional to 155,118,025.84, 214,062,823.48 and 85,504,569.28 is: 117,996,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,118,025.84 : 214,062,823.48 = 85,504,569.28 : x
  2. Step 2: Convert to fraction form
    155,118,025.84/214,062,823.48 = 85,504,569.28/x
  3. Step 3: Cross multiply
    155,118,025.84x = 214,062,823.48 × 85,504,569.28
  4. Step 4: Simplify right side
    155,118,025.84x = 18,303,349,520,518,072
  5. Step 5: Solve for x
    x = 18,303,349,520,518,072/155,118,025.84
  6. Step 6: Final answer
    x = 117,996,276.84

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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.