Home / 76,121,426.95-105,047,671.48-41,314,117.88

Finding the Fourth Proportional to 76,121,426.95, 105,047,671.48 and 41,314,117.88

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Solution

The fourth proportional to 76,121,426.95, 105,047,671.48 and 41,314,117.88 is: 57,013,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,426.95 : 105,047,671.48 = 41,314,117.88 : x
  2. Step 2: Convert to fraction form
    76,121,426.95/105,047,671.48 = 41,314,117.88/x
  3. Step 3: Cross multiply
    76,121,426.95x = 105,047,671.48 × 41,314,117.88
  4. Step 4: Simplify right side
    76,121,426.95x = 4,339,951,882,703,568
  5. Step 5: Solve for x
    x = 4,339,951,882,703,568/76,121,426.95
  6. Step 6: Final answer
    x = 57,013,538.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.