Home / 342,026,395.77-471,983,781.18-185,390,139.72

Finding the Fourth Proportional to 342,026,395.77, 471,983,781.18 and 185,390,139.72

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Solution

The fourth proportional to 342,026,395.77, 471,983,781.18 and 185,390,139.72 is: 255,831,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,395.77 : 471,983,781.18 = 185,390,139.72 : x
  2. Step 2: Convert to fraction form
    342,026,395.77/471,983,781.18 = 185,390,139.72/x
  3. Step 3: Cross multiply
    342,026,395.77x = 471,983,781.18 × 185,390,139.72
  4. Step 4: Simplify right side
    342,026,395.77x = 87,501,139,138,534,112
  5. Step 5: Solve for x
    x = 87,501,139,138,534,112/342,026,395.77
  6. Step 6: Final answer
    x = 255,831,538.80

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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.