Home / 142,477,887.70-213,716,831.55-97,128,255.70

Finding the Fourth Proportional to 142,477,887.70, 213,716,831.55 and 97,128,255.70

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Solution

The fourth proportional to 142,477,887.70, 213,716,831.55 and 97,128,255.70 is: 145,692,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,477,887.70 : 213,716,831.55 = 97,128,255.70 : x
  2. Step 2: Convert to fraction form
    142,477,887.70/213,716,831.55 = 97,128,255.70/x
  3. Step 3: Cross multiply
    142,477,887.70x = 213,716,831.55 × 97,128,255.70
  4. Step 4: Simplify right side
    142,477,887.70x = 20,757,943,062,182,228
  5. Step 5: Solve for x
    x = 20,757,943,062,182,228/142,477,887.70
  6. Step 6: Final answer
    x = 145,692,383.55

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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.