Home / 69,872,881.24-104,828,189.55-21,349,409.14

Finding the Fourth Proportional to 69,872,881.24, 104,828,189.55 and 21,349,409.14

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Solution

The fourth proportional to 69,872,881.24, 104,828,189.55 and 21,349,409.14 is: 32,029,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872,881.24 : 104,828,189.55 = 21,349,409.14 : x
  2. Step 2: Convert to fraction form
    69,872,881.24/104,828,189.55 = 21,349,409.14/x
  3. Step 3: Cross multiply
    69,872,881.24x = 104,828,189.55 × 21,349,409.14
  4. Step 4: Simplify right side
    69,872,881.24x = 2,238,019,908,108,422.50
  5. Step 5: Solve for x
    x = 2,238,019,908,108,422.50/69,872,881.24
  6. Step 6: Final answer
    x = 32,029,878.67

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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.