Home / 139,968,170.90-209,952,256.35-89,075,806.10

Finding the Fourth Proportional to 139,968,170.90, 209,952,256.35 and 89,075,806.10

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Solution

The fourth proportional to 139,968,170.90, 209,952,256.35 and 89,075,806.10 is: 133,613,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,170.90 : 209,952,256.35 = 89,075,806.10 : x
  2. Step 2: Convert to fraction form
    139,968,170.90/209,952,256.35 = 89,075,806.10/x
  3. Step 3: Cross multiply
    139,968,170.90x = 209,952,256.35 × 89,075,806.10
  4. Step 4: Simplify right side
    139,968,170.90x = 18,701,666,476,890,092
  5. Step 5: Solve for x
    x = 18,701,666,476,890,092/139,968,170.90
  6. Step 6: Final answer
    x = 133,613,709.15

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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.