Home / 127,579,678.20-191,397,510.90-41,322,065.40

Finding the Fourth Proportional to 127,579,678.20, 191,397,510.90 and 41,322,065.40

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Solution

The fourth proportional to 127,579,678.20, 191,397,510.90 and 41,322,065.40 is: 61,992,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,579,678.20 : 191,397,510.90 = 41,322,065.40 : x
  2. Step 2: Convert to fraction form
    127,579,678.20/191,397,510.90 = 41,322,065.40/x
  3. Step 3: Cross multiply
    127,579,678.20x = 191,397,510.90 × 41,322,065.40
  4. Step 4: Simplify right side
    127,579,678.20x = 7,908,940,462,807,013
  5. Step 5: Solve for x
    x = 7,908,940,462,807,013/127,579,678.20
  6. Step 6: Final answer
    x = 61,992,165.01

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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.