Home / 76,608,334.40-114,912,501.60-47,886,900.80

Finding the Fourth Proportional to 76,608,334.40, 114,912,501.60 and 47,886,900.80

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Solution

The fourth proportional to 76,608,334.40, 114,912,501.60 and 47,886,900.80 is: 71,830,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,608,334.40 : 114,912,501.60 = 47,886,900.80 : x
  2. Step 2: Convert to fraction form
    76,608,334.40/114,912,501.60 = 47,886,900.80/x
  3. Step 3: Cross multiply
    76,608,334.40x = 114,912,501.60 × 47,886,900.80
  4. Step 4: Simplify right side
    76,608,334.40x = 5,502,803,564,799,041
  5. Step 5: Solve for x
    x = 5,502,803,564,799,041/76,608,334.40
  6. Step 6: Final answer
    x = 71,830,351.20

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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.