Home / 53,448,931.69-80,173,664.51-18,905,365.31

Finding the Fourth Proportional to 53,448,931.69, 80,173,664.51 and 18,905,365.31

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Solution

The fourth proportional to 53,448,931.69, 80,173,664.51 and 18,905,365.31 is: 28,358,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448,931.69 : 80,173,664.51 = 18,905,365.31 : x
  2. Step 2: Convert to fraction form
    53,448,931.69/80,173,664.51 = 18,905,365.31/x
  3. Step 3: Cross multiply
    53,448,931.69x = 80,173,664.51 × 18,905,365.31
  4. Step 4: Simplify right side
    53,448,931.69x = 1,515,712,415,307,537
  5. Step 5: Solve for x
    x = 1,515,712,415,307,537/53,448,931.69
  6. Step 6: Final answer
    x = 28,358,142.39

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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.