Home / 154,528,157.16-213,035,772.87-123,272,291.34

Finding the Fourth Proportional to 154,528,157.16, 213,035,772.87 and 123,272,291.34

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Solution

The fourth proportional to 154,528,157.16, 213,035,772.87 and 123,272,291.34 is: 169,945,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,528,157.16 : 213,035,772.87 = 123,272,291.34 : x
  2. Step 2: Convert to fraction form
    154,528,157.16/213,035,772.87 = 123,272,291.34/x
  3. Step 3: Cross multiply
    154,528,157.16x = 213,035,772.87 × 123,272,291.34
  4. Step 4: Simplify right side
    154,528,157.16x = 26,261,407,859,072,708
  5. Step 5: Solve for x
    x = 26,261,407,859,072,708/154,528,157.16
  6. Step 6: Final answer
    x = 169,945,777.79

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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.