Home / 114,958,051.70-172,437,077.55-103,620,643.70

Finding the Fourth Proportional to 114,958,051.70, 172,437,077.55 and 103,620,643.70

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Solution

The fourth proportional to 114,958,051.70, 172,437,077.55 and 103,620,643.70 is: 155,430,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,958,051.70 : 172,437,077.55 = 103,620,643.70 : x
  2. Step 2: Convert to fraction form
    114,958,051.70/172,437,077.55 = 103,620,643.70/x
  3. Step 3: Cross multiply
    114,958,051.70x = 172,437,077.55 × 103,620,643.70
  4. Step 4: Simplify right side
    114,958,051.70x = 17,868,040,973,477,820
  5. Step 5: Solve for x
    x = 17,868,040,973,477,820/114,958,051.70
  6. Step 6: Final answer
    x = 155,430,965.55

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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.