Home / 69,648,837.66-104,473,499.49-21,127,109.58

Finding the Fourth Proportional to 69,648,837.66, 104,473,499.49 and 21,127,109.58

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Solution

The fourth proportional to 69,648,837.66, 104,473,499.49 and 21,127,109.58 is: 31,690,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648,837.66 : 104,473,499.49 = 21,127,109.58 : x
  2. Step 2: Convert to fraction form
    69,648,837.66/104,473,499.49 = 21,127,109.58/x
  3. Step 3: Cross multiply
    69,648,837.66x = 104,473,499.49 × 21,127,109.58
  4. Step 4: Simplify right side
    69,648,837.66x = 2,207,223,071,931,303.75
  5. Step 5: Solve for x
    x = 2,207,223,071,931,303.75/69,648,837.66
  6. Step 6: Final answer
    x = 31,690,738.08

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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.