Home / 166,205,311.10-249,307,966.65-104,983,307.90

Finding the Fourth Proportional to 166,205,311.10, 249,307,966.65 and 104,983,307.90

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Solution

The fourth proportional to 166,205,311.10, 249,307,966.65 and 104,983,307.90 is: 157,474,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,205,311.10 : 249,307,966.65 = 104,983,307.90 : x
  2. Step 2: Convert to fraction form
    166,205,311.10/249,307,966.65 = 104,983,307.90/x
  3. Step 3: Cross multiply
    166,205,311.10x = 249,307,966.65 × 104,983,307.90
  4. Step 4: Simplify right side
    166,205,311.10x = 26,173,175,024,739,884
  5. Step 5: Solve for x
    x = 26,173,175,024,739,884/166,205,311.10
  6. Step 6: Final answer
    x = 157,474,961.85

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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.