Home / 130,507,481.49-180,105,059.54-74,763,675.42

Finding the Fourth Proportional to 130,507,481.49, 180,105,059.54 and 74,763,675.42

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Solution

The fourth proportional to 130,507,481.49, 180,105,059.54 and 74,763,675.42 is: 103,176,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,481.49 : 180,105,059.54 = 74,763,675.42 : x
  2. Step 2: Convert to fraction form
    130,507,481.49/180,105,059.54 = 74,763,675.42/x
  3. Step 3: Cross multiply
    130,507,481.49x = 180,105,059.54 × 74,763,675.42
  4. Step 4: Simplify right side
    130,507,481.49x = 13,465,316,211,673,992
  5. Step 5: Solve for x
    x = 13,465,316,211,673,992/130,507,481.49
  6. Step 6: Final answer
    x = 103,176,584.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.