Home / 180,455,984.04-249,022,813.48-102,137,855.87

Finding the Fourth Proportional to 180,455,984.04, 249,022,813.48 and 102,137,855.87

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Solution

The fourth proportional to 180,455,984.04, 249,022,813.48 and 102,137,855.87 is: 140,946,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,984.04 : 249,022,813.48 = 102,137,855.87 : x
  2. Step 2: Convert to fraction form
    180,455,984.04/249,022,813.48 = 102,137,855.87/x
  3. Step 3: Cross multiply
    180,455,984.04x = 249,022,813.48 × 102,137,855.87
  4. Step 4: Simplify right side
    180,455,984.04x = 25,434,656,231,562,132
  5. Step 5: Solve for x
    x = 25,434,656,231,562,132/180,455,984.04
  6. Step 6: Final answer
    x = 140,946,593.52

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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.