Home / 135,440,051.42-186,895,860.90-75,090,659.81

Finding the Fourth Proportional to 135,440,051.42, 186,895,860.90 and 75,090,659.81

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Solution

The fourth proportional to 135,440,051.42, 186,895,860.90 and 75,090,659.81 is: 103,618,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,440,051.42 : 186,895,860.90 = 75,090,659.81 : x
  2. Step 2: Convert to fraction form
    135,440,051.42/186,895,860.90 = 75,090,659.81/x
  3. Step 3: Cross multiply
    135,440,051.42x = 186,895,860.90 × 75,090,659.81
  4. Step 4: Simplify right side
    135,440,051.42x = 14,034,133,509,804,502
  5. Step 5: Solve for x
    x = 14,034,133,509,804,502/135,440,051.42
  6. Step 6: Final answer
    x = 103,618,784.57

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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.