Home / 122,476,812.40-183,715,218.60-101,219,172.40

Finding the Fourth Proportional to 122,476,812.40, 183,715,218.60 and 101,219,172.40

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Solution

The fourth proportional to 122,476,812.40, 183,715,218.60 and 101,219,172.40 is: 151,828,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476,812.40 : 183,715,218.60 = 101,219,172.40 : x
  2. Step 2: Convert to fraction form
    122,476,812.40/183,715,218.60 = 101,219,172.40/x
  3. Step 3: Cross multiply
    122,476,812.40x = 183,715,218.60 × 101,219,172.40
  4. Step 4: Simplify right side
    122,476,812.40x = 18,595,502,383,977,088
  5. Step 5: Solve for x
    x = 18,595,502,383,977,088/122,476,812.40
  6. Step 6: Final answer
    x = 151,828,758.60

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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.