Home / 154,528,164.16-213,035,782.54-123,272,298.36

Finding the Fourth Proportional to 154,528,164.16, 213,035,782.54 and 123,272,298.36

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Solution

The fourth proportional to 154,528,164.16, 213,035,782.54 and 123,272,298.36 is: 169,945,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,528,164.16 : 213,035,782.54 = 123,272,298.36 : x
  2. Step 2: Convert to fraction form
    154,528,164.16/213,035,782.54 = 123,272,298.36/x
  3. Step 3: Cross multiply
    154,528,164.16x = 213,035,782.54 × 123,272,298.36
  4. Step 4: Simplify right side
    154,528,164.16x = 26,261,410,546,626,956
  5. Step 5: Solve for x
    x = 26,261,410,546,626,956/154,528,164.16
  6. Step 6: Final answer
    x = 169,945,787.48

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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.