Home / 127,116,013.80-190,674,020.70-98,418,199.80

Finding the Fourth Proportional to 127,116,013.80, 190,674,020.70 and 98,418,199.80

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Solution

The fourth proportional to 127,116,013.80, 190,674,020.70 and 98,418,199.80 is: 147,627,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,013.80 : 190,674,020.70 = 98,418,199.80 : x
  2. Step 2: Convert to fraction form
    127,116,013.80/190,674,020.70 = 98,418,199.80/x
  3. Step 3: Cross multiply
    127,116,013.80x = 190,674,020.70 × 98,418,199.80
  4. Step 4: Simplify right side
    127,116,013.80x = 18,765,793,865,921,936
  5. Step 5: Solve for x
    x = 18,765,793,865,921,936/127,116,013.80
  6. Step 6: Final answer
    x = 147,627,299.70

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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.