Home / 310,837,365.52-429,149,152.28-197,870,597.36

Finding the Fourth Proportional to 310,837,365.52, 429,149,152.28 and 197,870,597.36

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Solution

The fourth proportional to 310,837,365.52, 429,149,152.28 and 197,870,597.36 is: 273,184,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,365.52 : 429,149,152.28 = 197,870,597.36 : x
  2. Step 2: Convert to fraction form
    310,837,365.52/429,149,152.28 = 197,870,597.36/x
  3. Step 3: Cross multiply
    310,837,365.52x = 429,149,152.28 × 197,870,597.36
  4. Step 4: Simplify right side
    310,837,365.52x = 84,915,999,118,181,200
  5. Step 5: Solve for x
    x = 84,915,999,118,181,200/310,837,365.52
  6. Step 6: Final answer
    x = 273,184,657.12

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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.