Home / 142,627,807.20-213,941,710.80-34,922,431.20

Finding the Fourth Proportional to 142,627,807.20, 213,941,710.80 and 34,922,431.20

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Solution

The fourth proportional to 142,627,807.20, 213,941,710.80 and 34,922,431.20 is: 52,383,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,627,807.20 : 213,941,710.80 = 34,922,431.20 : x
  2. Step 2: Convert to fraction form
    142,627,807.20/213,941,710.80 = 34,922,431.20/x
  3. Step 3: Cross multiply
    142,627,807.20x = 213,941,710.80 × 34,922,431.20
  4. Step 4: Simplify right side
    142,627,807.20x = 7,471,364,676,223,298
  5. Step 5: Solve for x
    x = 7,471,364,676,223,298/142,627,807.20
  6. Step 6: Final answer
    x = 52,383,646.80

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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.