Home / 139,993,831.74-210,000,837.78-53,732,238.60

Finding the Fourth Proportional to 139,993,831.74, 210,000,837.78 and 53,732,238.60

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Solution

The fourth proportional to 139,993,831.74, 210,000,837.78 and 53,732,238.60 is: 80,602,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,993,831.74 : 210,000,837.78 = 53,732,238.60 : x
  2. Step 2: Convert to fraction form
    139,993,831.74/210,000,837.78 = 53,732,238.60/x
  3. Step 3: Cross multiply
    139,993,831.74x = 210,000,837.78 × 53,732,238.60
  4. Step 4: Simplify right side
    139,993,831.74x = 11,283,815,121,794,854
  5. Step 5: Solve for x
    x = 11,283,815,121,794,854/139,993,831.74
  6. Step 6: Final answer
    x = 80,602,230.70

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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.