Home / 139,968,114.90-209,952,172.35-89,075,750.10

Finding the Fourth Proportional to 139,968,114.90, 209,952,172.35 and 89,075,750.10

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Solution

The fourth proportional to 139,968,114.90, 209,952,172.35 and 89,075,750.10 is: 133,613,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,114.90 : 209,952,172.35 = 89,075,750.10 : x
  2. Step 2: Convert to fraction form
    139,968,114.90/209,952,172.35 = 89,075,750.10/x
  3. Step 3: Cross multiply
    139,968,114.90x = 209,952,172.35 × 89,075,750.10
  4. Step 4: Simplify right side
    139,968,114.90x = 18,701,647,237,200,728
  5. Step 5: Solve for x
    x = 18,701,647,237,200,728/139,968,114.90
  6. Step 6: Final answer
    x = 133,613,625.15

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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.