Home / 164,907,254.20-247,360,740.52-42,085,561.78

Finding the Fourth Proportional to 164,907,254.20, 247,360,740.52 and 42,085,561.78

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Solution

The fourth proportional to 164,907,254.20, 247,360,740.52 and 42,085,561.78 is: 63,128,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,907,254.20 : 247,360,740.52 = 42,085,561.78 : x
  2. Step 2: Convert to fraction form
    164,907,254.20/247,360,740.52 = 42,085,561.78/x
  3. Step 3: Cross multiply
    164,907,254.20x = 247,360,740.52 × 42,085,561.78
  4. Step 4: Simplify right side
    164,907,254.20x = 10,410,315,727,101,010
  5. Step 5: Solve for x
    x = 10,410,315,727,101,010/164,907,254.20
  6. Step 6: Final answer
    x = 63,128,306.74

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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.