Home / 146,420,663.58-219,403,928.25-84,857,126.22

Finding the Fourth Proportional to 146,420,663.58, 219,403,928.25 and 84,857,126.22

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Solution

The fourth proportional to 146,420,663.58, 219,403,928.25 and 84,857,126.22 is: 127,154,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420,663.58 : 219,403,928.25 = 84,857,126.22 : x
  2. Step 2: Convert to fraction form
    146,420,663.58/219,403,928.25 = 84,857,126.22/x
  3. Step 3: Cross multiply
    146,420,663.58x = 219,403,928.25 × 84,857,126.22
  4. Step 4: Simplify right side
    146,420,663.58x = 18,617,986,832,674,072
  5. Step 5: Solve for x
    x = 18,617,986,832,674,072/146,420,663.58
  6. Step 6: Final answer
    x = 127,154,094.08

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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.