Home / 342,026,398.40-471,983,784.81-185,390,142.36

Finding the Fourth Proportional to 342,026,398.40, 471,983,784.81 and 185,390,142.36

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Solution

The fourth proportional to 342,026,398.40, 471,983,784.81 and 185,390,142.36 is: 255,831,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,398.40 : 471,983,784.81 = 185,390,142.36 : x
  2. Step 2: Convert to fraction form
    342,026,398.40/471,983,784.81 = 185,390,142.36/x
  3. Step 3: Cross multiply
    342,026,398.40x = 471,983,784.81 × 185,390,142.36
  4. Step 4: Simplify right side
    342,026,398.40x = 87,501,141,055,072,336
  5. Step 5: Solve for x
    x = 87,501,141,055,072,336/342,026,398.40
  6. Step 6: Final answer
    x = 255,831,542.44

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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.