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Finding the Fourth Proportional to 166,495,428.90, 249,743,143.35 and 166,495,428.90

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Solution

The fourth proportional to 166,495,428.90, 249,743,143.35 and 166,495,428.90 is: 249,743,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,495,428.90 : 249,743,143.35 = 166,495,428.90 : x
  2. Step 2: Convert to fraction form
    166,495,428.90/249,743,143.35 = 166,495,428.90/x
  3. Step 3: Cross multiply
    166,495,428.90x = 249,743,143.35 × 166,495,428.90
  4. Step 4: Simplify right side
    166,495,428.90x = 41,581,091,766,892,432
  5. Step 5: Solve for x
    x = 41,581,091,766,892,432/166,495,428.90
  6. Step 6: Final answer
    x = 249,743,143.35

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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.