Home / 190,697,362.20-286,048,667.76-54,382,760.28

Finding the Fourth Proportional to 190,697,362.20, 286,048,667.76 and 54,382,760.28

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Solution

The fourth proportional to 190,697,362.20, 286,048,667.76 and 54,382,760.28 is: 81,574,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,697,362.20 : 286,048,667.76 = 54,382,760.28 : x
  2. Step 2: Convert to fraction form
    190,697,362.20/286,048,667.76 = 54,382,760.28/x
  3. Step 3: Cross multiply
    190,697,362.20x = 286,048,667.76 × 54,382,760.28
  4. Step 4: Simplify right side
    190,697,362.20x = 15,556,116,127,205,444
  5. Step 5: Solve for x
    x = 15,556,116,127,205,444/190,697,362.20
  6. Step 6: Final answer
    x = 81,574,888.86

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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.