Home / 212,306,082-292,870,025.52-146,111,660.64

Finding the Fourth Proportional to 212,306,082, 292,870,025.52 and 146,111,660.64

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Solution

The fourth proportional to 212,306,082, 292,870,025.52 and 146,111,660.64 is: 201,556,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,306,082 : 292,870,025.52 = 146,111,660.64 : x
  2. Step 2: Convert to fraction form
    212,306,082/292,870,025.52 = 146,111,660.64/x
  3. Step 3: Cross multiply
    212,306,082x = 292,870,025.52 × 146,111,660.64
  4. Step 4: Simplify right side
    212,306,082x = 42,791,725,780,406,376
  5. Step 5: Solve for x
    x = 42,791,725,780,406,376/212,306,082
  6. Step 6: Final answer
    x = 201,556,758.89

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1.5x scale

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.