Home / 127,410,724.20-190,974,368.70-69,944,237.40

Finding the Fourth Proportional to 127,410,724.20, 190,974,368.70 and 69,944,237.40

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Solution

The fourth proportional to 127,410,724.20, 190,974,368.70 and 69,944,237.40 is: 104,838,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410,724.20 : 190,974,368.70 = 69,944,237.40 : x
  2. Step 2: Convert to fraction form
    127,410,724.20/190,974,368.70 = 69,944,237.40/x
  3. Step 3: Cross multiply
    127,410,724.20x = 190,974,368.70 × 69,944,237.40
  4. Step 4: Simplify right side
    127,410,724.20x = 13,357,556,581,667,930
  5. Step 5: Solve for x
    x = 13,357,556,581,667,930/127,410,724.20
  6. Step 6: Final answer
    x = 104,838,557.87

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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.