Home / 57,413,762.73-79,232,905.89-31,309,708.86

Finding the Fourth Proportional to 57,413,762.73, 79,232,905.89 and 31,309,708.86

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Solution

The fourth proportional to 57,413,762.73, 79,232,905.89 and 31,309,708.86 is: 43,208,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413,762.73 : 79,232,905.89 = 31,309,708.86 : x
  2. Step 2: Convert to fraction form
    57,413,762.73/79,232,905.89 = 31,309,708.86/x
  3. Step 3: Cross multiply
    57,413,762.73x = 79,232,905.89 × 31,309,708.86
  4. Step 4: Simplify right side
    57,413,762.73x = 2,480,759,215,547,679
  5. Step 5: Solve for x
    x = 2,480,759,215,547,679/57,413,762.73
  6. Step 6: Final answer
    x = 43,208,441.63

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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.