Home / 76,278,013.60-114,417,020.40-54,666,954.40

Finding the Fourth Proportional to 76,278,013.60, 114,417,020.40 and 54,666,954.40

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Solution

The fourth proportional to 76,278,013.60, 114,417,020.40 and 54,666,954.40 is: 82,000,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278,013.60 : 114,417,020.40 = 54,666,954.40 : x
  2. Step 2: Convert to fraction form
    76,278,013.60/114,417,020.40 = 54,666,954.40/x
  3. Step 3: Cross multiply
    76,278,013.60x = 114,417,020.40 × 54,666,954.40
  4. Step 4: Simplify right side
    76,278,013.60x = 6,254,830,036,790,670
  5. Step 5: Solve for x
    x = 6,254,830,036,790,670/76,278,013.60
  6. Step 6: Final answer
    x = 82,000,431.60

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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.