Home / 93,312,073.45-139,968,110.18-81,368,137.45

Finding the Fourth Proportional to 93,312,073.45, 139,968,110.18 and 81,368,137.45

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Solution

The fourth proportional to 93,312,073.45, 139,968,110.18 and 81,368,137.45 is: 122,052,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,073.45 : 139,968,110.18 = 81,368,137.45 : x
  2. Step 2: Convert to fraction form
    93,312,073.45/139,968,110.18 = 81,368,137.45/x
  3. Step 3: Cross multiply
    93,312,073.45x = 139,968,110.18 × 81,368,137.45
  4. Step 4: Simplify right side
    93,312,073.45x = 11,388,944,427,742,986
  5. Step 5: Solve for x
    x = 11,388,944,427,742,986/93,312,073.45
  6. Step 6: Final answer
    x = 122,052,206.18

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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.