Home / 223,045,901.58-334,438,944.55-86,571,852.78

Finding the Fourth Proportional to 223,045,901.58, 334,438,944.55 and 86,571,852.78

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Solution

The fourth proportional to 223,045,901.58, 334,438,944.55 and 86,571,852.78 is: 129,807,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045,901.58 : 334,438,944.55 = 86,571,852.78 : x
  2. Step 2: Convert to fraction form
    223,045,901.58/334,438,944.55 = 86,571,852.78/x
  3. Step 3: Cross multiply
    223,045,901.58x = 334,438,944.55 × 86,571,852.78
  4. Step 4: Simplify right side
    223,045,901.58x = 28,952,999,071,481,184
  5. Step 5: Solve for x
    x = 28,952,999,071,481,184/223,045,901.58
  6. Step 6: Final answer
    x = 129,807,357.44

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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.