Home / 125,961,139.80-188,941,709.70-104,437,779.30

Finding the Fourth Proportional to 125,961,139.80, 188,941,709.70 and 104,437,779.30

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Solution

The fourth proportional to 125,961,139.80, 188,941,709.70 and 104,437,779.30 is: 156,656,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,961,139.80 : 188,941,709.70 = 104,437,779.30 : x
  2. Step 2: Convert to fraction form
    125,961,139.80/188,941,709.70 = 104,437,779.30/x
  3. Step 3: Cross multiply
    125,961,139.80x = 188,941,709.70 × 104,437,779.30
  4. Step 4: Simplify right side
    125,961,139.80x = 19,732,652,578,213,268
  5. Step 5: Solve for x
    x = 19,732,652,578,213,268/125,961,139.80
  6. Step 6: Final answer
    x = 156,656,668.95

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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.