Home / 212,584,831.48-318,877,251.32-51,026,767.48

Finding the Fourth Proportional to 212,584,831.48, 318,877,251.32 and 51,026,767.48

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Solution

The fourth proportional to 212,584,831.48, 318,877,251.32 and 51,026,767.48 is: 76,540,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,831.48 : 318,877,251.32 = 51,026,767.48 : x
  2. Step 2: Convert to fraction form
    212,584,831.48/318,877,251.32 = 51,026,767.48/x
  3. Step 3: Cross multiply
    212,584,831.48x = 318,877,251.32 × 51,026,767.48
  4. Step 4: Simplify right side
    212,584,831.48x = 16,271,275,357,767,162
  5. Step 5: Solve for x
    x = 16,271,275,357,767,162/212,584,831.48
  6. Step 6: Final answer
    x = 76,540,152.20

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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.