Home / 139,968,004.20-209,952,006.30-37,742,375.40

Finding the Fourth Proportional to 139,968,004.20, 209,952,006.30 and 37,742,375.40

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Solution

The fourth proportional to 139,968,004.20, 209,952,006.30 and 37,742,375.40 is: 56,613,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,004.20 : 209,952,006.30 = 37,742,375.40 : x
  2. Step 2: Convert to fraction form
    139,968,004.20/209,952,006.30 = 37,742,375.40/x
  3. Step 3: Cross multiply
    139,968,004.20x = 209,952,006.30 × 37,742,375.40
  4. Step 4: Simplify right side
    139,968,004.20x = 7,924,087,437,757,765
  5. Step 5: Solve for x
    x = 7,924,087,437,757,765/139,968,004.20
  6. Step 6: Final answer
    x = 56,613,563.10

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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.