Home / 139,968,118.40-209,952,177.60-44,230,006.40

Finding the Fourth Proportional to 139,968,118.40, 209,952,177.60 and 44,230,006.40

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Solution

The fourth proportional to 139,968,118.40, 209,952,177.60 and 44,230,006.40 is: 66,345,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,118.40 : 209,952,177.60 = 44,230,006.40 : x
  2. Step 2: Convert to fraction form
    139,968,118.40/209,952,177.60 = 44,230,006.40/x
  3. Step 3: Cross multiply
    139,968,118.40x = 209,952,177.60 × 44,230,006.40
  4. Step 4: Simplify right side
    139,968,118.40x = 9,286,186,158,941,936
  5. Step 5: Solve for x
    x = 9,286,186,158,941,936/139,968,118.40
  6. Step 6: Final answer
    x = 66,345,009.60

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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.