Home / 68,785,288.34-94,887,518.58-40,888,155.69

Finding the Fourth Proportional to 68,785,288.34, 94,887,518.58 and 40,888,155.69

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Solution

The fourth proportional to 68,785,288.34, 94,887,518.58 and 40,888,155.69 is: 56,404,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785,288.34 : 94,887,518.58 = 40,888,155.69 : x
  2. Step 2: Convert to fraction form
    68,785,288.34/94,887,518.58 = 40,888,155.69/x
  3. Step 3: Cross multiply
    68,785,288.34x = 94,887,518.58 × 40,888,155.69
  4. Step 4: Simplify right side
    68,785,288.34x = 3,879,775,632,736,807.50
  5. Step 5: Solve for x
    x = 3,879,775,632,736,807.50/68,785,288.34
  6. Step 6: Final answer
    x = 56,404,148.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.