Home / 148,506,845.46-204,922,824.82-82,430,129.13

Finding the Fourth Proportional to 148,506,845.46, 204,922,824.82 and 82,430,129.13

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Solution

The fourth proportional to 148,506,845.46, 204,922,824.82 and 82,430,129.13 is: 113,744,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,506,845.46 : 204,922,824.82 = 82,430,129.13 : x
  2. Step 2: Convert to fraction form
    148,506,845.46/204,922,824.82 = 82,430,129.13/x
  3. Step 3: Cross multiply
    148,506,845.46x = 204,922,824.82 × 82,430,129.13
  4. Step 4: Simplify right side
    148,506,845.46x = 16,891,814,911,596,968
  5. Step 5: Solve for x
    x = 16,891,814,911,596,968/148,506,845.46
  6. Step 6: Final answer
    x = 113,744,352.05

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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.