Home / 208,045,372.96-312,112,782.92-60,495,496.71

Finding the Fourth Proportional to 208,045,372.96, 312,112,782.92 and 60,495,496.71

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Solution

The fourth proportional to 208,045,372.96, 312,112,782.92 and 60,495,496.71 is: 90,756,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,045,372.96 : 312,112,782.92 = 60,495,496.71 : x
  2. Step 2: Convert to fraction form
    208,045,372.96/312,112,782.92 = 60,495,496.71/x
  3. Step 3: Cross multiply
    208,045,372.96x = 312,112,782.92 × 60,495,496.71
  4. Step 4: Simplify right side
    208,045,372.96x = 18,881,417,832,285,804
  5. Step 5: Solve for x
    x = 18,881,417,832,285,804/208,045,372.96
  6. Step 6: Final answer
    x = 90,756,249.77

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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.