Home / 217,137,666.40-325,675,006.80-63,767,730.40

Finding the Fourth Proportional to 217,137,666.40, 325,675,006.80 and 63,767,730.40

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Solution

The fourth proportional to 217,137,666.40, 325,675,006.80 and 63,767,730.40 is: 95,642,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,137,666.40 : 325,675,006.80 = 63,767,730.40 : x
  2. Step 2: Convert to fraction form
    217,137,666.40/325,675,006.80 = 63,767,730.40/x
  3. Step 3: Cross multiply
    217,137,666.40x = 325,675,006.80 × 63,767,730.40
  4. Step 4: Simplify right side
    217,137,666.40x = 20,767,556,031,640,568
  5. Step 5: Solve for x
    x = 20,767,556,031,640,568/217,137,666.40
  6. Step 6: Final answer
    x = 95,642,346.98

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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.