Home / 65,652,946.94-90,642,851.82-40,909,484.54

Finding the Fourth Proportional to 65,652,946.94, 90,642,851.82 and 40,909,484.54

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Solution

The fourth proportional to 65,652,946.94, 90,642,851.82 and 40,909,484.54 is: 56,481,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,652,946.94 : 90,642,851.82 = 40,909,484.54 : x
  2. Step 2: Convert to fraction form
    65,652,946.94/90,642,851.82 = 40,909,484.54/x
  3. Step 3: Cross multiply
    65,652,946.94x = 90,642,851.82 × 40,909,484.54
  4. Step 4: Simplify right side
    65,652,946.94x = 3,708,152,344,738,586
  5. Step 5: Solve for x
    x = 3,708,152,344,738,586/65,652,946.94
  6. Step 6: Final answer
    x = 56,481,125.64

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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.