Home / 178,689,629.10-268,034,443.65-76,464,000.30

Finding the Fourth Proportional to 178,689,629.10, 268,034,443.65 and 76,464,000.30

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Solution

The fourth proportional to 178,689,629.10, 268,034,443.65 and 76,464,000.30 is: 114,696,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,689,629.10 : 268,034,443.65 = 76,464,000.30 : x
  2. Step 2: Convert to fraction form
    178,689,629.10/268,034,443.65 = 76,464,000.30/x
  3. Step 3: Cross multiply
    178,689,629.10x = 268,034,443.65 × 76,464,000.30
  4. Step 4: Simplify right side
    178,689,629.10x = 20,494,985,779,663,932
  5. Step 5: Solve for x
    x = 20,494,985,779,663,932/178,689,629.10
  6. Step 6: Final answer
    x = 114,696,000.45

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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.