Home / 142,024,108.40-213,036,162.60-51,135,887.60

Finding the Fourth Proportional to 142,024,108.40, 213,036,162.60 and 51,135,887.60

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Solution

The fourth proportional to 142,024,108.40, 213,036,162.60 and 51,135,887.60 is: 76,703,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024,108.40 : 213,036,162.60 = 51,135,887.60 : x
  2. Step 2: Convert to fraction form
    142,024,108.40/213,036,162.60 = 51,135,887.60/x
  3. Step 3: Cross multiply
    142,024,108.40x = 213,036,162.60 × 51,135,887.60
  4. Step 4: Simplify right side
    142,024,108.40x = 10,893,793,265,448,924
  5. Step 5: Solve for x
    x = 10,893,793,265,448,924/142,024,108.40
  6. Step 6: Final answer
    x = 76,703,831.40

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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.