Home / 61,683,783.86-85,124,121.81-34,182,171.38

Finding the Fourth Proportional to 61,683,783.86, 85,124,121.81 and 34,182,171.38

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Solution

The fourth proportional to 61,683,783.86, 85,124,121.81 and 34,182,171.38 is: 47,171,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683,783.86 : 85,124,121.81 = 34,182,171.38 : x
  2. Step 2: Convert to fraction form
    61,683,783.86/85,124,121.81 = 34,182,171.38/x
  3. Step 3: Cross multiply
    61,683,783.86x = 85,124,121.81 × 34,182,171.38
  4. Step 4: Simplify right side
    61,683,783.86x = 2,909,727,320,281,416
  5. Step 5: Solve for x
    x = 2,909,727,320,281,416/61,683,783.86
  6. Step 6: Final answer
    x = 47,171,673.63

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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.