Home / 76,278,015.10-114,417,022.65-54,666,955.90

Finding the Fourth Proportional to 76,278,015.10, 114,417,022.65 and 54,666,955.90

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Solution

The fourth proportional to 76,278,015.10, 114,417,022.65 and 54,666,955.90 is: 82,000,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278,015.10 : 114,417,022.65 = 54,666,955.90 : x
  2. Step 2: Convert to fraction form
    76,278,015.10/114,417,022.65 = 54,666,955.90/x
  3. Step 3: Cross multiply
    76,278,015.10x = 114,417,022.65 × 54,666,955.90
  4. Step 4: Simplify right side
    76,278,015.10x = 6,254,830,331,416,851
  5. Step 5: Solve for x
    x = 6,254,830,331,416,851/76,278,015.10
  6. Step 6: Final answer
    x = 82,000,433.85

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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.