Home / 166,169,521.60-249,031,477.67-129,325,898.05

Finding the Fourth Proportional to 166,169,521.60, 249,031,477.67 and 129,325,898.05

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Solution

The fourth proportional to 166,169,521.60, 249,031,477.67 and 129,325,898.05 is: 193,815,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,169,521.60 : 249,031,477.67 = 129,325,898.05 : x
  2. Step 2: Convert to fraction form
    166,169,521.60/249,031,477.67 = 129,325,898.05/x
  3. Step 3: Cross multiply
    166,169,521.60x = 249,031,477.67 × 129,325,898.05
  4. Step 4: Simplify right side
    166,169,521.60x = 32,206,219,491,122,064
  5. Step 5: Solve for x
    x = 32,206,219,491,122,064/166,169,521.60
  6. Step 6: Final answer
    x = 193,815,443.30

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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.