Home / 139,527,461.22-209,436,633.53-61,858,909.54

Finding the Fourth Proportional to 139,527,461.22, 209,436,633.53 and 61,858,909.54

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Solution

The fourth proportional to 139,527,461.22, 209,436,633.53 and 61,858,909.54 is: 92,852,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527,461.22 : 209,436,633.53 = 61,858,909.54 : x
  2. Step 2: Convert to fraction form
    139,527,461.22/209,436,633.53 = 61,858,909.54/x
  3. Step 3: Cross multiply
    139,527,461.22x = 209,436,633.53 × 61,858,909.54
  4. Step 4: Simplify right side
    139,527,461.22x = 12,955,521,768,426,520
  5. Step 5: Solve for x
    x = 12,955,521,768,426,520/139,527,461.22
  6. Step 6: Final answer
    x = 92,852,845.28

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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.