Home / 81,624,762.36-112,650,128.46-60,962,336.28

Finding the Fourth Proportional to 81,624,762.36, 112,650,128.46 and 60,962,336.28

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Solution

The fourth proportional to 81,624,762.36, 112,650,128.46 and 60,962,336.28 is: 84,133,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624,762.36 : 112,650,128.46 = 60,962,336.28 : x
  2. Step 2: Convert to fraction form
    81,624,762.36/112,650,128.46 = 60,962,336.28/x
  3. Step 3: Cross multiply
    81,624,762.36x = 112,650,128.46 × 60,962,336.28
  4. Step 4: Simplify right side
    81,624,762.36x = 6,867,415,013,163,718
  5. Step 5: Solve for x
    x = 6,867,415,013,163,718/81,624,762.36
  6. Step 6: Final answer
    x = 84,133,966.39

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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.