Home / 139,968,007.45-209,952,011.18-139,968,007.45

Finding the Fourth Proportional to 139,968,007.45, 209,952,011.18 and 139,968,007.45

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Solution

The fourth proportional to 139,968,007.45, 209,952,011.18 and 139,968,007.45 is: 209,952,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,007.45 : 209,952,011.18 = 139,968,007.45 : x
  2. Step 2: Convert to fraction form
    139,968,007.45/209,952,011.18 = 139,968,007.45/x
  3. Step 3: Cross multiply
    139,968,007.45x = 209,952,011.18 × 139,968,007.45
  4. Step 4: Simplify right side
    139,968,007.45x = 29,386,564,664,984,720
  5. Step 5: Solve for x
    x = 29,386,564,664,984,720/139,968,007.45
  6. Step 6: Final answer
    x = 209,952,011.18

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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.