Home / 180,455,983.04-249,022,812.11-102,137,854.87

Finding the Fourth Proportional to 180,455,983.04, 249,022,812.11 and 102,137,854.87

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Solution

The fourth proportional to 180,455,983.04, 249,022,812.11 and 102,137,854.87 is: 140,946,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,983.04 : 249,022,812.11 = 102,137,854.87 : x
  2. Step 2: Convert to fraction form
    180,455,983.04/249,022,812.11 = 102,137,854.87/x
  3. Step 3: Cross multiply
    180,455,983.04x = 249,022,812.11 × 102,137,854.87
  4. Step 4: Simplify right side
    180,455,983.04x = 25,434,655,842,411,048
  5. Step 5: Solve for x
    x = 25,434,655,842,411,048/180,455,983.04
  6. Step 6: Final answer
    x = 140,946,592.15

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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.