Home / 123,586,384.80-185,379,577.20-69,166,826.40

Finding the Fourth Proportional to 123,586,384.80, 185,379,577.20 and 69,166,826.40

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Solution

The fourth proportional to 123,586,384.80, 185,379,577.20 and 69,166,826.40 is: 103,750,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,384.80 : 185,379,577.20 = 69,166,826.40 : x
  2. Step 2: Convert to fraction form
    123,586,384.80/185,379,577.20 = 69,166,826.40/x
  3. Step 3: Cross multiply
    123,586,384.80x = 185,379,577.20 × 69,166,826.40
  4. Step 4: Simplify right side
    123,586,384.80x = 12,822,117,034,297,798
  5. Step 5: Solve for x
    x = 12,822,117,034,297,798/123,586,384.80
  6. Step 6: Final answer
    x = 103,750,239.60

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1.5x scale

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.