Home / 177,054,876.10-265,582,314.15-128,304,021.70

Finding the Fourth Proportional to 177,054,876.10, 265,582,314.15 and 128,304,021.70

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Solution

The fourth proportional to 177,054,876.10, 265,582,314.15 and 128,304,021.70 is: 192,456,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,054,876.10 : 265,582,314.15 = 128,304,021.70 : x
  2. Step 2: Convert to fraction form
    177,054,876.10/265,582,314.15 = 128,304,021.70/x
  3. Step 3: Cross multiply
    177,054,876.10x = 265,582,314.15 × 128,304,021.70
  4. Step 4: Simplify right side
    177,054,876.10x = 34,075,278,997,837,820
  5. Step 5: Solve for x
    x = 34,075,278,997,837,820/177,054,876.10
  6. Step 6: Final answer
    x = 192,456,032.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.