Home / 339,569,325.79-468,607,636.63-190,889,145.20

Finding the Fourth Proportional to 339,569,325.79, 468,607,636.63 and 190,889,145.20

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Solution

The fourth proportional to 339,569,325.79, 468,607,636.63 and 190,889,145.20 is: 263,428,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,569,325.79 : 468,607,636.63 = 190,889,145.20 : x
  2. Step 2: Convert to fraction form
    339,569,325.79/468,607,636.63 = 190,889,145.20/x
  3. Step 3: Cross multiply
    339,569,325.79x = 468,607,636.63 × 190,889,145.20
  4. Step 4: Simplify right side
    339,569,325.79x = 89,452,111,190,492,896
  5. Step 5: Solve for x
    x = 89,452,111,190,492,896/339,569,325.79
  6. Step 6: Final answer
    x = 263,428,126.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.