Home / 42,976,802.20-64,323,485.70-30,222,218.20

Finding the Fourth Proportional to 42,976,802.20, 64,323,485.70 and 30,222,218.20

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Solution

The fourth proportional to 42,976,802.20, 64,323,485.70 and 30,222,218.20 is: 45,233,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,976,802.20 : 64,323,485.70 = 30,222,218.20 : x
  2. Step 2: Convert to fraction form
    42,976,802.20/64,323,485.70 = 30,222,218.20/x
  3. Step 3: Cross multiply
    42,976,802.20x = 64,323,485.70 × 30,222,218.20
  4. Step 4: Simplify right side
    42,976,802.20x = 1,943,998,420,209,979.75
  5. Step 5: Solve for x
    x = 1,943,998,420,209,979.75/42,976,802.20
  6. Step 6: Final answer
    x = 45,233,668.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.