Home / 430,970,718.33-646,456,086.08-103,446,231.50

Finding the Fourth Proportional to 430,970,718.33, 646,456,086.08 and 103,446,231.50

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Solution

The fourth proportional to 430,970,718.33, 646,456,086.08 and 103,446,231.50 is: 155,169,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,718.33 : 646,456,086.08 = 103,446,231.50 : x
  2. Step 2: Convert to fraction form
    430,970,718.33/646,456,086.08 = 103,446,231.50/x
  3. Step 3: Cross multiply
    430,970,718.33x = 646,456,086.08 × 103,446,231.50
  4. Step 4: Simplify right side
    430,970,718.33x = 66,873,445,931,466,104
  5. Step 5: Solve for x
    x = 66,873,445,931,466,104/430,970,718.33
  6. Step 6: Final answer
    x = 155,169,349.30

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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.