Home / 310,247,501.52-428,141,351.25-169,118,991.84

Finding the Fourth Proportional to 310,247,501.52, 428,141,351.25 and 169,118,991.84

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Solution

The fourth proportional to 310,247,501.52, 428,141,351.25 and 169,118,991.84 is: 233,384,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,247,501.52 : 428,141,351.25 = 169,118,991.84 : x
  2. Step 2: Convert to fraction form
    310,247,501.52/428,141,351.25 = 169,118,991.84/x
  3. Step 3: Cross multiply
    310,247,501.52x = 428,141,351.25 × 169,118,991.84
  4. Step 4: Simplify right side
    310,247,501.52x = 72,406,833,688,415,328
  5. Step 5: Solve for x
    x = 72,406,833,688,415,328/310,247,501.52
  6. Step 6: Final answer
    x = 233,384,099.26

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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.