Home / 280,122,851.53-386,602,322.87-232,996,782.27

Finding the Fourth Proportional to 280,122,851.53, 386,602,322.87 and 232,996,782.27

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Solution

The fourth proportional to 280,122,851.53, 386,602,322.87 and 232,996,782.27 is: 321,562,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,122,851.53 : 386,602,322.87 = 232,996,782.27 : x
  2. Step 2: Convert to fraction form
    280,122,851.53/386,602,322.87 = 232,996,782.27/x
  3. Step 3: Cross multiply
    280,122,851.53x = 386,602,322.87 × 232,996,782.27
  4. Step 4: Simplify right side
    280,122,851.53x = 90,077,097,247,400,128
  5. Step 5: Solve for x
    x = 90,077,097,247,400,128/280,122,851.53
  6. Step 6: Final answer
    x = 321,562,831.29

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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.