Home / 212,832,697.64-319,095,828.14-130,782,054.65

Finding the Fourth Proportional to 212,832,697.64, 319,095,828.14 and 130,782,054.65

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Solution

The fourth proportional to 212,832,697.64, 319,095,828.14 and 130,782,054.65 is: 196,078,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,832,697.64 : 319,095,828.14 = 130,782,054.65 : x
  2. Step 2: Convert to fraction form
    212,832,697.64/319,095,828.14 = 130,782,054.65/x
  3. Step 3: Cross multiply
    212,832,697.64x = 319,095,828.14 × 130,782,054.65
  4. Step 4: Simplify right side
    212,832,697.64x = 41,732,008,032,143,096
  5. Step 5: Solve for x
    x = 41,732,008,032,143,096/212,832,697.64
  6. Step 6: Final answer
    x = 196,078,931.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.