Home / 139,968,195.30-209,952,292.95-88,697,916.90

Finding the Fourth Proportional to 139,968,195.30, 209,952,292.95 and 88,697,916.90

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Solution

The fourth proportional to 139,968,195.30, 209,952,292.95 and 88,697,916.90 is: 133,046,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,195.30 : 209,952,292.95 = 88,697,916.90 : x
  2. Step 2: Convert to fraction form
    139,968,195.30/209,952,292.95 = 88,697,916.90/x
  3. Step 3: Cross multiply
    139,968,195.30x = 209,952,292.95 × 88,697,916.90
  4. Step 4: Simplify right side
    139,968,195.30x = 18,622,331,033,043,556
  5. Step 5: Solve for x
    x = 18,622,331,033,043,556/139,968,195.30
  6. Step 6: Final answer
    x = 133,046,875.35

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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.