Home / 142,716,675.60-214,075,013.40-99,669,954.60

Finding the Fourth Proportional to 142,716,675.60, 214,075,013.40 and 99,669,954.60

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Solution

The fourth proportional to 142,716,675.60, 214,075,013.40 and 99,669,954.60 is: 149,504,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,716,675.60 : 214,075,013.40 = 99,669,954.60 : x
  2. Step 2: Convert to fraction form
    142,716,675.60/214,075,013.40 = 99,669,954.60/x
  3. Step 3: Cross multiply
    142,716,675.60x = 214,075,013.40 × 99,669,954.60
  4. Step 4: Simplify right side
    142,716,675.60x = 21,336,846,866,572,392
  5. Step 5: Solve for x
    x = 21,336,846,866,572,392/142,716,675.60
  6. Step 6: Final answer
    x = 149,504,931.90

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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.