Home / 223,045,902.09-334,438,945.32-86,571,853.29

Finding the Fourth Proportional to 223,045,902.09, 334,438,945.32 and 86,571,853.29

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Solution

The fourth proportional to 223,045,902.09, 334,438,945.32 and 86,571,853.29 is: 129,807,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045,902.09 : 334,438,945.32 = 86,571,853.29 : x
  2. Step 2: Convert to fraction form
    223,045,902.09/334,438,945.32 = 86,571,853.29/x
  3. Step 3: Cross multiply
    223,045,902.09x = 334,438,945.32 × 86,571,853.29
  4. Step 4: Simplify right side
    223,045,902.09x = 28,952,999,308,705,372
  5. Step 5: Solve for x
    x = 28,952,999,308,705,372/223,045,902.09
  6. Step 6: Final answer
    x = 129,807,358.20

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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.