Home / 285,130,216.40-427,589,036.40-112,571,323.70

Finding the Fourth Proportional to 285,130,216.40, 427,589,036.40 and 112,571,323.70

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Solution

The fourth proportional to 285,130,216.40, 427,589,036.40 and 112,571,323.70 is: 168,815,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,216.40 : 427,589,036.40 = 112,571,323.70 : x
  2. Step 2: Convert to fraction form
    285,130,216.40/427,589,036.40 = 112,571,323.70/x
  3. Step 3: Cross multiply
    285,130,216.40x = 427,589,036.40 × 112,571,323.70
  4. Step 4: Simplify right side
    285,130,216.40x = 48,134,263,827,155,480
  5. Step 5: Solve for x
    x = 48,134,263,827,155,480/285,130,216.40
  6. Step 6: Final answer
    x = 168,815,022.26

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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.