Home / 208,318,437.60-312,494,695.68-104,634,329.28

Finding the Fourth Proportional to 208,318,437.60, 312,494,695.68 and 104,634,329.28

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Solution

The fourth proportional to 208,318,437.60, 312,494,695.68 and 104,634,329.28 is: 156,960,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,318,437.60 : 312,494,695.68 = 104,634,329.28 : x
  2. Step 2: Convert to fraction form
    208,318,437.60/312,494,695.68 = 104,634,329.28/x
  3. Step 3: Cross multiply
    208,318,437.60x = 312,494,695.68 × 104,634,329.28
  4. Step 4: Simplify right side
    208,318,437.60x = 32,697,672,886,034,516
  5. Step 5: Solve for x
    x = 32,697,672,886,034,516/208,318,437.60
  6. Step 6: Final answer
    x = 156,960,052.42

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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.