Home / 282,481,566.08-423,730,300.48-78,009,642.56

Finding the Fourth Proportional to 282,481,566.08, 423,730,300.48 and 78,009,642.56

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Solution

The fourth proportional to 282,481,566.08, 423,730,300.48 and 78,009,642.56 is: 117,016,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,481,566.08 : 423,730,300.48 = 78,009,642.56 : x
  2. Step 2: Convert to fraction form
    282,481,566.08/423,730,300.48 = 78,009,642.56/x
  3. Step 3: Cross multiply
    282,481,566.08x = 423,730,300.48 × 78,009,642.56
  4. Step 4: Simplify right side
    282,481,566.08x = 33,055,049,282,286,200
  5. Step 5: Solve for x
    x = 33,055,049,282,286,200/282,481,566.08
  6. Step 6: Final answer
    x = 117,016,659.67

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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.