Home / 199,709,130.31-275,598,973.22-111,603,128.08

Finding the Fourth Proportional to 199,709,130.31, 275,598,973.22 and 111,603,128.08

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Solution

The fourth proportional to 199,709,130.31, 275,598,973.22 and 111,603,128.08 is: 154,012,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,130.31 : 275,598,973.22 = 111,603,128.08 : x
  2. Step 2: Convert to fraction form
    199,709,130.31/275,598,973.22 = 111,603,128.08/x
  3. Step 3: Cross multiply
    199,709,130.31x = 275,598,973.22 × 111,603,128.08
  4. Step 4: Simplify right side
    199,709,130.31x = 30,757,707,506,988,152
  5. Step 5: Solve for x
    x = 30,757,707,506,988,152/199,709,130.31
  6. Step 6: Final answer
    x = 154,012,525.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.