Home / 139,947,632.40-209,744,501.40-124,730,173.20

Finding the Fourth Proportional to 139,947,632.40, 209,744,501.40 and 124,730,173.20

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Solution

The fourth proportional to 139,947,632.40, 209,744,501.40 and 124,730,173.20 is: 186,937,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,947,632.40 : 209,744,501.40 = 124,730,173.20 : x
  2. Step 2: Convert to fraction form
    139,947,632.40/209,744,501.40 = 124,730,173.20/x
  3. Step 3: Cross multiply
    139,947,632.40x = 209,744,501.40 × 124,730,173.20
  4. Step 4: Simplify right side
    139,947,632.40x = 26,161,467,987,369,644
  5. Step 5: Solve for x
    x = 26,161,467,987,369,644/139,947,632.40
  6. Step 6: Final answer
    x = 186,937,553.27

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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.