Home / 142,144,716.03-213,075,826.87-98,923,117.72

Finding the Fourth Proportional to 142,144,716.03, 213,075,826.87 and 98,923,117.72

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Solution

The fourth proportional to 142,144,716.03, 213,075,826.87 and 98,923,117.72 is: 148,286,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,144,716.03 : 213,075,826.87 = 98,923,117.72 : x
  2. Step 2: Convert to fraction form
    142,144,716.03/213,075,826.87 = 98,923,117.72/x
  3. Step 3: Cross multiply
    142,144,716.03x = 213,075,826.87 × 98,923,117.72
  4. Step 4: Simplify right side
    142,144,716.03x = 21,078,125,104,747,348
  5. Step 5: Solve for x
    x = 21,078,125,104,747,348/142,144,716.03
  6. Step 6: Final answer
    x = 148,286,378.09

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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.