Home / 40,772,122.74-56,252,862.54-23,128,117.38

Finding the Fourth Proportional to 40,772,122.74, 56,252,862.54 and 23,128,117.38

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Solution

The fourth proportional to 40,772,122.74, 56,252,862.54 and 23,128,117.38 is: 31,909,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772,122.74 : 56,252,862.54 = 23,128,117.38 : x
  2. Step 2: Convert to fraction form
    40,772,122.74/56,252,862.54 = 23,128,117.38/x
  3. Step 3: Cross multiply
    40,772,122.74x = 56,252,862.54 × 23,128,117.38
  4. Step 4: Simplify right side
    40,772,122.74x = 1,301,022,807,786,124.75
  5. Step 5: Solve for x
    x = 1,301,022,807,786,124.75/40,772,122.74
  6. Step 6: Final answer
    x = 31,909,616.68

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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.