Home / 154,707,184.42-213,496,024.72-85,097,861.26

Finding the Fourth Proportional to 154,707,184.42, 213,496,024.72 and 85,097,861.26

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Solution

The fourth proportional to 154,707,184.42, 213,496,024.72 and 85,097,861.26 is: 117,435,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,707,184.42 : 213,496,024.72 = 85,097,861.26 : x
  2. Step 2: Convert to fraction form
    154,707,184.42/213,496,024.72 = 85,097,861.26/x
  3. Step 3: Cross multiply
    154,707,184.42x = 213,496,024.72 × 85,097,861.26
  4. Step 4: Simplify right side
    154,707,184.42x = 18,168,055,091,184,092
  5. Step 5: Solve for x
    x = 18,168,055,091,184,092/154,707,184.42
  6. Step 6: Final answer
    x = 117,435,109.17

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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.