Home / 64,116,512.69-96,175,818.79-18,680,800.37

Finding the Fourth Proportional to 64,116,512.69, 96,175,818.79 and 18,680,800.37

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Solution

The fourth proportional to 64,116,512.69, 96,175,818.79 and 18,680,800.37 is: 28,021,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116,512.69 : 96,175,818.79 = 18,680,800.37 : x
  2. Step 2: Convert to fraction form
    64,116,512.69/96,175,818.79 = 18,680,800.37/x
  3. Step 3: Cross multiply
    64,116,512.69x = 96,175,818.79 × 18,680,800.37
  4. Step 4: Simplify right side
    64,116,512.69x = 1,796,641,270,709,703.50
  5. Step 5: Solve for x
    x = 1,796,641,270,709,703.50/64,116,512.69
  6. Step 6: Final answer
    x = 28,021,506.40

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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.