Home / 265,890,009.80-366,989,435.70-155,917,152.20

Finding the Fourth Proportional to 265,890,009.80, 366,989,435.70 and 155,917,152.20

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Solution

The fourth proportional to 265,890,009.80, 366,989,435.70 and 155,917,152.20 is: 215,201,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,009.80 : 366,989,435.70 = 155,917,152.20 : x
  2. Step 2: Convert to fraction form
    265,890,009.80/366,989,435.70 = 155,917,152.20/x
  3. Step 3: Cross multiply
    265,890,009.80x = 366,989,435.70 × 155,917,152.20
  4. Step 4: Simplify right side
    265,890,009.80x = 57,219,947,701,829,008
  5. Step 5: Solve for x
    x = 57,219,947,701,829,008/265,890,009.80
  6. Step 6: Final answer
    x = 215,201,570.55

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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.