Home / 265,889,571.80-366,988,831.12-155,916,714.20

Finding the Fourth Proportional to 265,889,571.80, 366,988,831.12 and 155,916,714.20

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Solution

The fourth proportional to 265,889,571.80, 366,988,831.12 and 155,916,714.20 is: 215,200,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,889,571.80 : 366,988,831.12 = 155,916,714.20 : x
  2. Step 2: Convert to fraction form
    265,889,571.80/366,988,831.12 = 155,916,714.20/x
  3. Step 3: Cross multiply
    265,889,571.80x = 366,988,831.12 × 155,916,714.20
  4. Step 4: Simplify right side
    265,889,571.80x = 57,219,692,696,329,104
  5. Step 5: Solve for x
    x = 57,219,692,696,329,104/265,889,571.80
  6. Step 6: Final answer
    x = 215,200,965.98

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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.