Home / 139,692,103.32-209,570,576.64-47,576,639.44

Finding the Fourth Proportional to 139,692,103.32, 209,570,576.64 and 47,576,639.44

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Solution

The fourth proportional to 139,692,103.32, 209,570,576.64 and 47,576,639.44 is: 71,376,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,692,103.32 : 209,570,576.64 = 47,576,639.44 : x
  2. Step 2: Convert to fraction form
    139,692,103.32/209,570,576.64 = 47,576,639.44/x
  3. Step 3: Cross multiply
    139,692,103.32x = 209,570,576.64 × 47,576,639.44
  4. Step 4: Simplify right side
    139,692,103.32x = 9,970,663,761,796,282
  5. Step 5: Solve for x
    x = 9,970,663,761,796,282/139,692,103.32
  6. Step 6: Final answer
    x = 71,376,001.40

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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.