Home / 265,890,010.55-366,989,436.74-155,917,152.95

Finding the Fourth Proportional to 265,890,010.55, 366,989,436.74 and 155,917,152.95

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Solution

The fourth proportional to 265,890,010.55, 366,989,436.74 and 155,917,152.95 is: 215,201,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,010.55 : 366,989,436.74 = 155,917,152.95 : x
  2. Step 2: Convert to fraction form
    265,890,010.55/366,989,436.74 = 155,917,152.95/x
  3. Step 3: Cross multiply
    265,890,010.55x = 366,989,436.74 × 155,917,152.95
  4. Step 4: Simplify right side
    265,890,010.55x = 57,219,948,139,224,928
  5. Step 5: Solve for x
    x = 57,219,948,139,224,928/265,890,010.55
  6. Step 6: Final answer
    x = 215,201,571.59

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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.