Home / 217,831,471.87-300,598,661.18-118,710,091.02

Finding the Fourth Proportional to 217,831,471.87, 300,598,661.18 and 118,710,091.02

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Solution

The fourth proportional to 217,831,471.87, 300,598,661.18 and 118,710,091.02 is: 163,815,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,831,471.87 : 300,598,661.18 = 118,710,091.02 : x
  2. Step 2: Convert to fraction form
    217,831,471.87/300,598,661.18 = 118,710,091.02/x
  3. Step 3: Cross multiply
    217,831,471.87x = 300,598,661.18 × 118,710,091.02
  4. Step 4: Simplify right side
    217,831,471.87x = 35,684,094,429,167,940
  5. Step 5: Solve for x
    x = 35,684,094,429,167,940/217,831,471.87
  6. Step 6: Final answer
    x = 163,815,146.29

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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.