Home / 53,390,340.47-73,678,006.42-31,365,847.76

Finding the Fourth Proportional to 53,390,340.47, 73,678,006.42 and 31,365,847.76

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Solution

The fourth proportional to 53,390,340.47, 73,678,006.42 and 31,365,847.76 is: 43,284,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390,340.47 : 73,678,006.42 = 31,365,847.76 : x
  2. Step 2: Convert to fraction form
    53,390,340.47/73,678,006.42 = 31,365,847.76/x
  3. Step 3: Cross multiply
    53,390,340.47x = 73,678,006.42 × 31,365,847.76
  4. Step 4: Simplify right side
    53,390,340.47x = 2,310,973,132,183,218
  5. Step 5: Solve for x
    x = 2,310,973,132,183,218/53,390,340.47
  6. Step 6: Final answer
    x = 43,284,480.15

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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.