Home / 342,026,399.16-471,983,785.83-185,390,143.11

Finding the Fourth Proportional to 342,026,399.16, 471,983,785.83 and 185,390,143.11

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Solution

The fourth proportional to 342,026,399.16, 471,983,785.83 and 185,390,143.11 is: 255,831,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,399.16 : 471,983,785.83 = 185,390,143.11 : x
  2. Step 2: Convert to fraction form
    342,026,399.16/471,983,785.83 = 185,390,143.11/x
  3. Step 3: Cross multiply
    342,026,399.16x = 471,983,785.83 × 185,390,143.11
  4. Step 4: Simplify right side
    342,026,399.16x = 87,501,141,600,623,296
  5. Step 5: Solve for x
    x = 87,501,141,600,623,296/342,026,399.16
  6. Step 6: Final answer
    x = 255,831,543.46

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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.