Home / 342,026,411.68-471,983,803.12-185,390,155.60

Finding the Fourth Proportional to 342,026,411.68, 471,983,803.12 and 185,390,155.60

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Solution

The fourth proportional to 342,026,411.68, 471,983,803.12 and 185,390,155.60 is: 255,831,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,411.68 : 471,983,803.12 = 185,390,155.60 : x
  2. Step 2: Convert to fraction form
    342,026,411.68/471,983,803.12 = 185,390,155.60/x
  3. Step 3: Cross multiply
    342,026,411.68x = 471,983,803.12 × 185,390,155.60
  4. Step 4: Simplify right side
    342,026,411.68x = 87,501,150,701,096,560
  5. Step 5: Solve for x
    x = 87,501,150,701,096,560/342,026,411.68
  6. Step 6: Final answer
    x = 255,831,560.70

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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.