Home / 78,489,218-117,734,875.32-24,636,530

Finding the Fourth Proportional to 78,489,218, 117,734,875.32 and 24,636,530

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Solution

The fourth proportional to 78,489,218, 117,734,875.32 and 24,636,530 is: 36,955,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,489,218 : 117,734,875.32 = 24,636,530 : x
  2. Step 2: Convert to fraction form
    78,489,218/117,734,875.32 = 24,636,530/x
  3. Step 3: Cross multiply
    78,489,218x = 117,734,875.32 × 24,636,530
  4. Step 4: Simplify right side
    78,489,218x = 2,900,578,787,867,439.50
  5. Step 5: Solve for x
    x = 2,900,578,787,867,439.50/78,489,218
  6. Step 6: Final answer
    x = 36,955,124.05

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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.