Home / 69,648,839.16-104,473,501.74-21,127,111.08

Finding the Fourth Proportional to 69,648,839.16, 104,473,501.74 and 21,127,111.08

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Solution

The fourth proportional to 69,648,839.16, 104,473,501.74 and 21,127,111.08 is: 31,690,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648,839.16 : 104,473,501.74 = 21,127,111.08 : x
  2. Step 2: Convert to fraction form
    69,648,839.16/104,473,501.74 = 21,127,111.08/x
  3. Step 3: Cross multiply
    69,648,839.16x = 104,473,501.74 × 21,127,111.08
  4. Step 4: Simplify right side
    69,648,839.16x = 2,207,223,276,177,553
  5. Step 5: Solve for x
    x = 2,207,223,276,177,553/69,648,839.16
  6. Step 6: Final answer
    x = 31,690,740.33

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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.