Home / 63,155,984.69-87,122,613.65-39,964,564.64

Finding the Fourth Proportional to 63,155,984.69, 87,122,613.65 and 39,964,564.64

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Solution

The fourth proportional to 63,155,984.69, 87,122,613.65 and 39,964,564.64 is: 55,130,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155,984.69 : 87,122,613.65 = 39,964,564.64 : x
  2. Step 2: Convert to fraction form
    63,155,984.69/87,122,613.65 = 39,964,564.64/x
  3. Step 3: Cross multiply
    63,155,984.69x = 87,122,613.65 × 39,964,564.64
  4. Step 4: Simplify right side
    63,155,984.69x = 3,481,817,324,185,735
  5. Step 5: Solve for x
    x = 3,481,817,324,185,735/63,155,984.69
  6. Step 6: Final answer
    x = 55,130,441.58

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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.