Home / 342,026,395.64-471,983,781-185,390,139.60

Finding the Fourth Proportional to 342,026,395.64, 471,983,781 and 185,390,139.60

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Solution

The fourth proportional to 342,026,395.64, 471,983,781 and 185,390,139.60 is: 255,831,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,395.64 : 471,983,781 = 185,390,139.60 : x
  2. Step 2: Convert to fraction form
    342,026,395.64/471,983,781 = 185,390,139.60/x
  3. Step 3: Cross multiply
    342,026,395.64x = 471,983,781 × 185,390,139.60
  4. Step 4: Simplify right side
    342,026,395.64x = 87,501,139,048,525,824
  5. Step 5: Solve for x
    x = 87,501,139,048,525,824/342,026,395.64
  6. Step 6: Final answer
    x = 255,831,538.63

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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.