Home / 145,708,027.54-218,499,825.71-84,339,546.37

Finding the Fourth Proportional to 145,708,027.54, 218,499,825.71 and 84,339,546.37

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Solution

The fourth proportional to 145,708,027.54, 218,499,825.71 and 84,339,546.37 is: 126,473,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,708,027.54 : 218,499,825.71 = 84,339,546.37 : x
  2. Step 2: Convert to fraction form
    145,708,027.54/218,499,825.71 = 84,339,546.37/x
  3. Step 3: Cross multiply
    145,708,027.54x = 218,499,825.71 × 84,339,546.37
  4. Step 4: Simplify right side
    145,708,027.54x = 18,428,176,181,970,064
  5. Step 5: Solve for x
    x = 18,428,176,181,970,064/145,708,027.54
  6. Step 6: Final answer
    x = 126,473,307.57

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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.