Home / 75,917,145.81-113,827,867.16-64,406,644.05

Finding the Fourth Proportional to 75,917,145.81, 113,827,867.16 and 64,406,644.05

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Solution

The fourth proportional to 75,917,145.81, 113,827,867.16 and 64,406,644.05 is: 96,569,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,917,145.81 : 113,827,867.16 = 64,406,644.05 : x
  2. Step 2: Convert to fraction form
    75,917,145.81/113,827,867.16 = 64,406,644.05/x
  3. Step 3: Cross multiply
    75,917,145.81x = 113,827,867.16 × 64,406,644.05
  4. Step 4: Simplify right side
    75,917,145.81x = 7,331,270,922,822,771
  5. Step 5: Solve for x
    x = 7,331,270,922,822,771/75,917,145.81
  6. Step 6: Final answer
    x = 96,569,369.73

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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.