Home / 139,968,554.40-209,952,831.60-44,230,442.40

Finding the Fourth Proportional to 139,968,554.40, 209,952,831.60 and 44,230,442.40

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Solution

The fourth proportional to 139,968,554.40, 209,952,831.60 and 44,230,442.40 is: 66,345,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,554.40 : 209,952,831.60 = 44,230,442.40 : x
  2. Step 2: Convert to fraction form
    139,968,554.40/209,952,831.60 = 44,230,442.40/x
  3. Step 3: Cross multiply
    139,968,554.40x = 209,952,831.60 × 44,230,442.40
  4. Step 4: Simplify right side
    139,968,554.40x = 9,286,306,624,800,700
  5. Step 5: Solve for x
    x = 9,286,306,624,800,700/139,968,554.40
  6. Step 6: Final answer
    x = 66,345,663.60

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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.