Home / 123,669,657.20-185,504,485.80-122,535,916.40

Finding the Fourth Proportional to 123,669,657.20, 185,504,485.80 and 122,535,916.40

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Solution

The fourth proportional to 123,669,657.20, 185,504,485.80 and 122,535,916.40 is: 183,803,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669,657.20 : 185,504,485.80 = 122,535,916.40 : x
  2. Step 2: Convert to fraction form
    123,669,657.20/185,504,485.80 = 122,535,916.40/x
  3. Step 3: Cross multiply
    123,669,657.20x = 185,504,485.80 × 122,535,916.40
  4. Step 4: Simplify right side
    123,669,657.20x = 22,730,962,163,813,788
  5. Step 5: Solve for x
    x = 22,730,962,163,813,788/123,669,657.20
  6. Step 6: Final answer
    x = 183,803,874.60

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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.