Home / 310,837,367.53-429,149,155.04-197,870,599.31

Finding the Fourth Proportional to 310,837,367.53, 429,149,155.04 and 197,870,599.31

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Solution

The fourth proportional to 310,837,367.53, 429,149,155.04 and 197,870,599.31 is: 273,184,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,367.53 : 429,149,155.04 = 197,870,599.31 : x
  2. Step 2: Convert to fraction form
    310,837,367.53/429,149,155.04 = 197,870,599.31/x
  3. Step 3: Cross multiply
    310,837,367.53x = 429,149,155.04 × 197,870,599.31
  4. Step 4: Simplify right side
    310,837,367.53x = 84,916,000,501,970,448
  5. Step 5: Solve for x
    x = 84,916,000,501,970,448/310,837,367.53
  6. Step 6: Final answer
    x = 273,184,659.80

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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.