Home / 310,837,369.52-429,149,157.80-197,870,601.36

Finding the Fourth Proportional to 310,837,369.52, 429,149,157.80 and 197,870,601.36

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Solution

The fourth proportional to 310,837,369.52, 429,149,157.80 and 197,870,601.36 is: 273,184,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,369.52 : 429,149,157.80 = 197,870,601.36 : x
  2. Step 2: Convert to fraction form
    310,837,369.52/429,149,157.80 = 197,870,601.36/x
  3. Step 3: Cross multiply
    310,837,369.52x = 429,149,157.80 × 197,870,601.36
  4. Step 4: Simplify right side
    310,837,369.52x = 84,916,001,927,023,536
  5. Step 5: Solve for x
    x = 84,916,001,927,023,536/310,837,369.52
  6. Step 6: Final answer
    x = 273,184,662.64

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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.