Home / 114,958,021.70-172,437,032.55-103,620,613.70

Finding the Fourth Proportional to 114,958,021.70, 172,437,032.55 and 103,620,613.70

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Solution

The fourth proportional to 114,958,021.70, 172,437,032.55 and 103,620,613.70 is: 155,430,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,958,021.70 : 172,437,032.55 = 103,620,613.70 : x
  2. Step 2: Convert to fraction form
    114,958,021.70/172,437,032.55 = 103,620,613.70/x
  3. Step 3: Cross multiply
    114,958,021.70x = 172,437,032.55 × 103,620,613.70
  4. Step 4: Simplify right side
    114,958,021.70x = 17,868,031,137,437,878
  5. Step 5: Solve for x
    x = 17,868,031,137,437,878/114,958,021.70
  6. Step 6: Final answer
    x = 155,430,920.55

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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.