Home / 402,375,259.77-603,562,936.40-126,048,007.06

Finding the Fourth Proportional to 402,375,259.77, 603,562,936.40 and 126,048,007.06

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Solution

The fourth proportional to 402,375,259.77, 603,562,936.40 and 126,048,007.06 is: 189,072,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,375,259.77 : 603,562,936.40 = 126,048,007.06 : x
  2. Step 2: Convert to fraction form
    402,375,259.77/603,562,936.40 = 126,048,007.06/x
  3. Step 3: Cross multiply
    402,375,259.77x = 603,562,936.40 × 126,048,007.06
  4. Step 4: Simplify right side
    402,375,259.77x = 76,077,905,268,886,528
  5. Step 5: Solve for x
    x = 76,077,905,268,886,528/402,375,259.77
  6. Step 6: Final answer
    x = 189,072,025.23

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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.