Home / 30,200,117.42-45,299,886.66-17,895,223.28

Finding the Fourth Proportional to 30,200,117.42, 45,299,886.66 and 17,895,223.28

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Solution

The fourth proportional to 30,200,117.42, 45,299,886.66 and 17,895,223.28 is: 26,842,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200,117.42 : 45,299,886.66 = 17,895,223.28 : x
  2. Step 2: Convert to fraction form
    30,200,117.42/45,299,886.66 = 17,895,223.28/x
  3. Step 3: Cross multiply
    30,200,117.42x = 45,299,886.66 × 17,895,223.28
  4. Step 4: Simplify right side
    30,200,117.42x = 810,651,586,339,393.38
  5. Step 5: Solve for x
    x = 810,651,586,339,393.38/30,200,117.42
  6. Step 6: Final answer
    x = 26,842,663.39

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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.