Home / 139,968,016.40-209,952,024.60-89,075,651.60

Finding the Fourth Proportional to 139,968,016.40, 209,952,024.60 and 89,075,651.60

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Solution

The fourth proportional to 139,968,016.40, 209,952,024.60 and 89,075,651.60 is: 133,613,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,016.40 : 209,952,024.60 = 89,075,651.60 : x
  2. Step 2: Convert to fraction form
    139,968,016.40/209,952,024.60 = 89,075,651.60/x
  3. Step 3: Cross multiply
    139,968,016.40x = 209,952,024.60 × 89,075,651.60
  4. Step 4: Simplify right side
    139,968,016.40x = 18,701,613,395,984,228
  5. Step 5: Solve for x
    x = 18,701,613,395,984,228/139,968,016.40
  6. Step 6: Final answer
    x = 133,613,477.40

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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.