Home / 211,020,394.84-291,209,855-116,936,113.56

Finding the Fourth Proportional to 211,020,394.84, 291,209,855 and 116,936,113.56

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Solution

The fourth proportional to 211,020,394.84, 291,209,855 and 116,936,113.56 is: 161,372,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,020,394.84 : 291,209,855 = 116,936,113.56 : x
  2. Step 2: Convert to fraction form
    211,020,394.84/291,209,855 = 116,936,113.56/x
  3. Step 3: Cross multiply
    211,020,394.84x = 291,209,855 × 116,936,113.56
  4. Step 4: Simplify right side
    211,020,394.84x = 34,052,948,674,071,136
  5. Step 5: Solve for x
    x = 34,052,948,674,071,136/211,020,394.84
  6. Step 6: Final answer
    x = 161,372,784.37

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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.