Home / 189,216,004.80-283,824,007.20-68,031,710.40

Finding the Fourth Proportional to 189,216,004.80, 283,824,007.20 and 68,031,710.40

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Solution

The fourth proportional to 189,216,004.80, 283,824,007.20 and 68,031,710.40 is: 102,047,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,216,004.80 : 283,824,007.20 = 68,031,710.40 : x
  2. Step 2: Convert to fraction form
    189,216,004.80/283,824,007.20 = 68,031,710.40/x
  3. Step 3: Cross multiply
    189,216,004.80x = 283,824,007.20 × 68,031,710.40
  4. Step 4: Simplify right side
    189,216,004.80x = 19,309,032,662,397,916
  5. Step 5: Solve for x
    x = 19,309,032,662,397,916/189,216,004.80
  6. Step 6: Final answer
    x = 102,047,565.60

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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.