Home / 144,055,336.14-198,821,484.63-85,351,052.70

Finding the Fourth Proportional to 144,055,336.14, 198,821,484.63 and 85,351,052.70

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Solution

The fourth proportional to 144,055,336.14, 198,821,484.63 and 85,351,052.70 is: 117,799,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,055,336.14 : 198,821,484.63 = 85,351,052.70 : x
  2. Step 2: Convert to fraction form
    144,055,336.14/198,821,484.63 = 85,351,052.70/x
  3. Step 3: Cross multiply
    144,055,336.14x = 198,821,484.63 × 85,351,052.70
  4. Step 4: Simplify right side
    144,055,336.14x = 16,969,623,012,547,370
  5. Step 5: Solve for x
    x = 16,969,623,012,547,370/144,055,336.14
  6. Step 6: Final answer
    x = 117,799,336.47

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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.