Home / 79,185,238.40-118,777,857.60-51,975,459.20

Finding the Fourth Proportional to 79,185,238.40, 118,777,857.60 and 51,975,459.20

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Solution

The fourth proportional to 79,185,238.40, 118,777,857.60 and 51,975,459.20 is: 77,963,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,185,238.40 : 118,777,857.60 = 51,975,459.20 : x
  2. Step 2: Convert to fraction form
    79,185,238.40/118,777,857.60 = 51,975,459.20/x
  3. Step 3: Cross multiply
    79,185,238.40x = 118,777,857.60 × 51,975,459.20
  4. Step 4: Simplify right side
    79,185,238.40x = 6,173,533,691,552,210
  5. Step 5: Solve for x
    x = 6,173,533,691,552,210/79,185,238.40
  6. Step 6: Final answer
    x = 77,963,188.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.