Home / 180,455,900.96-249,022,699.52-102,137,772.49

Finding the Fourth Proportional to 180,455,900.96, 249,022,699.52 and 102,137,772.49

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Solution

The fourth proportional to 180,455,900.96, 249,022,699.52 and 102,137,772.49 is: 140,946,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,900.96 : 249,022,699.52 = 102,137,772.49 : x
  2. Step 2: Convert to fraction form
    180,455,900.96/249,022,699.52 = 102,137,772.49/x
  3. Step 3: Cross multiply
    180,455,900.96x = 249,022,699.52 × 102,137,772.49
  4. Step 4: Simplify right side
    180,455,900.96x = 25,434,623,827,286,144
  5. Step 5: Solve for x
    x = 25,434,623,827,286,144/180,455,900.96
  6. Step 6: Final answer
    x = 140,946,478.84

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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.