Home / 93,312,076.95-139,968,115.43-81,368,140.95

Finding the Fourth Proportional to 93,312,076.95, 139,968,115.43 and 81,368,140.95

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Solution

The fourth proportional to 93,312,076.95, 139,968,115.43 and 81,368,140.95 is: 122,052,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,076.95 : 139,968,115.43 = 81,368,140.95 : x
  2. Step 2: Convert to fraction form
    93,312,076.95/139,968,115.43 = 81,368,140.95/x
  3. Step 3: Cross multiply
    93,312,076.95x = 139,968,115.43 × 81,368,140.95
  4. Step 4: Simplify right side
    93,312,076.95x = 11,388,945,344,407,270
  5. Step 5: Solve for x
    x = 11,388,945,344,407,270/93,312,076.95
  6. Step 6: Final answer
    x = 122,052,211.43

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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.