Home / 56,054,065.96-84,118,825.50-19,662,800.68

Finding the Fourth Proportional to 56,054,065.96, 84,118,825.50 and 19,662,800.68

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Solution

The fourth proportional to 56,054,065.96, 84,118,825.50 and 19,662,800.68 is: 29,507,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054,065.96 : 84,118,825.50 = 19,662,800.68 : x
  2. Step 2: Convert to fraction form
    56,054,065.96/84,118,825.50 = 19,662,800.68/x
  3. Step 3: Cross multiply
    56,054,065.96x = 84,118,825.50 × 19,662,800.68
  4. Step 4: Simplify right side
    56,054,065.96x = 1,654,011,699,242,201.25
  5. Step 5: Solve for x
    x = 1,654,011,699,242,201.25/56,054,065.96
  6. Step 6: Final answer
    x = 29,507,434.85

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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.