Home / 209,314,564.76-314,019,100.75-69,254,690.46

Finding the Fourth Proportional to 209,314,564.76, 314,019,100.75 and 69,254,690.46

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Solution

The fourth proportional to 209,314,564.76, 314,019,100.75 and 69,254,690.46 is: 103,897,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,314,564.76 : 314,019,100.75 = 69,254,690.46 : x
  2. Step 2: Convert to fraction form
    209,314,564.76/314,019,100.75 = 69,254,690.46/x
  3. Step 3: Cross multiply
    209,314,564.76x = 314,019,100.75 × 69,254,690.46
  4. Step 4: Simplify right side
    209,314,564.76x = 21,747,295,621,973,240
  5. Step 5: Solve for x
    x = 21,747,295,621,973,240/209,314,564.76
  6. Step 6: Final answer
    x = 103,897,670.22

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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.