Home / 139,968,142.15-209,952,213.23-89,075,777.35

Finding the Fourth Proportional to 139,968,142.15, 209,952,213.23 and 89,075,777.35

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Solution

The fourth proportional to 139,968,142.15, 209,952,213.23 and 89,075,777.35 is: 133,613,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,142.15 : 209,952,213.23 = 89,075,777.35 : x
  2. Step 2: Convert to fraction form
    139,968,142.15/209,952,213.23 = 89,075,777.35/x
  3. Step 3: Cross multiply
    139,968,142.15x = 209,952,213.23 × 89,075,777.35
  4. Step 4: Simplify right side
    139,968,142.15x = 18,701,656,599,815,204
  5. Step 5: Solve for x
    x = 18,701,656,599,815,204/139,968,142.15
  6. Step 6: Final answer
    x = 133,613,666.03

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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.