Home / 139,968,004.65-209,952,006.98-129,764,337.45

Finding the Fourth Proportional to 139,968,004.65, 209,952,006.98 and 129,764,337.45

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Solution

The fourth proportional to 139,968,004.65, 209,952,006.98 and 129,764,337.45 is: 194,646,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,004.65 : 209,952,006.98 = 129,764,337.45 : x
  2. Step 2: Convert to fraction form
    139,968,004.65/209,952,006.98 = 129,764,337.45/x
  3. Step 3: Cross multiply
    139,968,004.65x = 209,952,006.98 × 129,764,337.45
  4. Step 4: Simplify right side
    139,968,004.65x = 27,244,283,081,408,652
  5. Step 5: Solve for x
    x = 27,244,283,081,408,652/139,968,004.65
  6. Step 6: Final answer
    x = 194,646,506.18

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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.