Home / 122,509,931.40-183,764,897.10-111,172,523.40

Finding the Fourth Proportional to 122,509,931.40, 183,764,897.10 and 111,172,523.40

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Solution

The fourth proportional to 122,509,931.40, 183,764,897.10 and 111,172,523.40 is: 166,758,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,509,931.40 : 183,764,897.10 = 111,172,523.40 : x
  2. Step 2: Convert to fraction form
    122,509,931.40/183,764,897.10 = 111,172,523.40/x
  3. Step 3: Cross multiply
    122,509,931.40x = 183,764,897.10 × 111,172,523.40
  4. Step 4: Simplify right side
    122,509,931.40x = 20,429,607,322,948,344
  5. Step 5: Solve for x
    x = 20,429,607,322,948,344/122,509,931.40
  6. Step 6: Final answer
    x = 166,758,785.10

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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.