Home / 154,405,762.05-231,608,643.08-52,168,323.45

Finding the Fourth Proportional to 154,405,762.05, 231,608,643.08 and 52,168,323.45

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Solution

The fourth proportional to 154,405,762.05, 231,608,643.08 and 52,168,323.45 is: 78,252,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,405,762.05 : 231,608,643.08 = 52,168,323.45 : x
  2. Step 2: Convert to fraction form
    154,405,762.05/231,608,643.08 = 52,168,323.45/x
  3. Step 3: Cross multiply
    154,405,762.05x = 231,608,643.08 × 52,168,323.45
  4. Step 4: Simplify right side
    154,405,762.05x = 12,082,634,605,752,202
  5. Step 5: Solve for x
    x = 12,082,634,605,752,202/154,405,762.05
  6. Step 6: Final answer
    x = 78,252,485.18

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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.