Home / 139,174,672.80-208,336,856.40-108,563,671.20

Finding the Fourth Proportional to 139,174,672.80, 208,336,856.40 and 108,563,671.20

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Solution

The fourth proportional to 139,174,672.80, 208,336,856.40 and 108,563,671.20 is: 162,513,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,174,672.80 : 208,336,856.40 = 108,563,671.20 : x
  2. Step 2: Convert to fraction form
    139,174,672.80/208,336,856.40 = 108,563,671.20/x
  3. Step 3: Cross multiply
    139,174,672.80x = 208,336,856.40 × 108,563,671.20
  4. Step 4: Simplify right side
    139,174,672.80x = 22,617,813,977,051,216
  5. Step 5: Solve for x
    x = 22,617,813,977,051,216/139,174,672.80
  6. Step 6: Final answer
    x = 162,513,864.93

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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.