Home / 139,968,132.40-209,952,198.60-89,075,767.60

Finding the Fourth Proportional to 139,968,132.40, 209,952,198.60 and 89,075,767.60

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Solution

The fourth proportional to 139,968,132.40, 209,952,198.60 and 89,075,767.60 is: 133,613,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,132.40 : 209,952,198.60 = 89,075,767.60 : x
  2. Step 2: Convert to fraction form
    139,968,132.40/209,952,198.60 = 89,075,767.60/x
  3. Step 3: Cross multiply
    139,968,132.40x = 209,952,198.60 × 89,075,767.60
  4. Step 4: Simplify right side
    139,968,132.40x = 18,701,653,249,602,644
  5. Step 5: Solve for x
    x = 18,701,653,249,602,644/139,968,132.40
  6. Step 6: Final answer
    x = 133,613,651.40

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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.