Home / 139,968,224.80-209,952,337.20-130,402,286.80

Finding the Fourth Proportional to 139,968,224.80, 209,952,337.20 and 130,402,286.80

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Solution

The fourth proportional to 139,968,224.80, 209,952,337.20 and 130,402,286.80 is: 195,603,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,224.80 : 209,952,337.20 = 130,402,286.80 : x
  2. Step 2: Convert to fraction form
    139,968,224.80/209,952,337.20 = 130,402,286.80/x
  3. Step 3: Cross multiply
    139,968,224.80x = 209,952,337.20 × 130,402,286.80
  4. Step 4: Simplify right side
    139,968,224.80x = 27,378,264,889,884,708
  5. Step 5: Solve for x
    x = 27,378,264,889,884,708/139,968,224.80
  6. Step 6: Final answer
    x = 195,603,430.20

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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.