Home / 180,455,707.72-249,022,433.36-102,137,579.71

Finding the Fourth Proportional to 180,455,707.72, 249,022,433.36 and 102,137,579.71

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Solution

The fourth proportional to 180,455,707.72, 249,022,433.36 and 102,137,579.71 is: 140,946,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,707.72 : 249,022,433.36 = 102,137,579.71 : x
  2. Step 2: Convert to fraction form
    180,455,707.72/249,022,433.36 = 102,137,579.71/x
  3. Step 3: Cross multiply
    180,455,707.72x = 249,022,433.36 × 102,137,579.71
  4. Step 4: Simplify right side
    180,455,707.72x = 25,434,548,636,517,952
  5. Step 5: Solve for x
    x = 25,434,548,636,517,952/180,455,707.72
  6. Step 6: Final answer
    x = 140,946,213.11

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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.