Home / 223,045,900.58-334,438,943.06-86,571,851.78

Finding the Fourth Proportional to 223,045,900.58, 334,438,943.06 and 86,571,851.78

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Solution

The fourth proportional to 223,045,900.58, 334,438,943.06 and 86,571,851.78 is: 129,807,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045,900.58 : 334,438,943.06 = 86,571,851.78 : x
  2. Step 2: Convert to fraction form
    223,045,900.58/334,438,943.06 = 86,571,851.78/x
  3. Step 3: Cross multiply
    223,045,900.58x = 334,438,943.06 × 86,571,851.78
  4. Step 4: Simplify right side
    223,045,900.58x = 28,952,998,605,945,128
  5. Step 5: Solve for x
    x = 28,952,998,605,945,128/223,045,900.58
  6. Step 6: Final answer
    x = 129,807,355.94

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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.