Home / 208,491,282.92-287,712,492.47-114,405,140.81

Finding the Fourth Proportional to 208,491,282.92, 287,712,492.47 and 114,405,140.81

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Solution

The fourth proportional to 208,491,282.92, 287,712,492.47 and 114,405,140.81 is: 157,876,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,491,282.92 : 287,712,492.47 = 114,405,140.81 : x
  2. Step 2: Convert to fraction form
    208,491,282.92/287,712,492.47 = 114,405,140.81/x
  3. Step 3: Cross multiply
    208,491,282.92x = 287,712,492.47 × 114,405,140.81
  4. Step 4: Simplify right side
    208,491,282.92x = 32,915,788,213,826,420
  5. Step 5: Solve for x
    x = 32,915,788,213,826,420/208,491,282.92
  6. Step 6: Final answer
    x = 157,876,088.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.