Home / 155,423,994.78-214,503,921.31-88,459,235.32

Finding the Fourth Proportional to 155,423,994.78, 214,503,921.31 and 88,459,235.32

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Solution

The fourth proportional to 155,423,994.78, 214,503,921.31 and 88,459,235.32 is: 122,084,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423,994.78 : 214,503,921.31 = 88,459,235.32 : x
  2. Step 2: Convert to fraction form
    155,423,994.78/214,503,921.31 = 88,459,235.32/x
  3. Step 3: Cross multiply
    155,423,994.78x = 214,503,921.31 × 88,459,235.32
  4. Step 4: Simplify right side
    155,423,994.78x = 18,974,852,852,224,052
  5. Step 5: Solve for x
    x = 18,974,852,852,224,052/155,423,994.78
  6. Step 6: Final answer
    x = 122,084,449.57

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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.