Home / 77,098,999.80-115,648,499.70-73,697,777.40

Finding the Fourth Proportional to 77,098,999.80, 115,648,499.70 and 73,697,777.40

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Solution

The fourth proportional to 77,098,999.80, 115,648,499.70 and 73,697,777.40 is: 110,546,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,098,999.80 : 115,648,499.70 = 73,697,777.40 : x
  2. Step 2: Convert to fraction form
    77,098,999.80/115,648,499.70 = 73,697,777.40/x
  3. Step 3: Cross multiply
    77,098,999.80x = 115,648,499.70 × 73,697,777.40
  4. Step 4: Simplify right side
    77,098,999.80x = 8,523,037,387,534,568
  5. Step 5: Solve for x
    x = 8,523,037,387,534,568/77,098,999.80
  6. Step 6: Final answer
    x = 110,546,666.10

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1.5x scale

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.