Home / 76,703,681.92-105,850,452-41,896,394.56

Finding the Fourth Proportional to 76,703,681.92, 105,850,452 and 41,896,394.56

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Solution

The fourth proportional to 76,703,681.92, 105,850,452 and 41,896,394.56 is: 57,816,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,703,681.92 : 105,850,452 = 41,896,394.56 : x
  2. Step 2: Convert to fraction form
    76,703,681.92/105,850,452 = 41,896,394.56/x
  3. Step 3: Cross multiply
    76,703,681.92x = 105,850,452 × 41,896,394.56
  4. Step 4: Simplify right side
    76,703,681.92x = 4,434,752,301,346,341.50
  5. Step 5: Solve for x
    x = 4,434,752,301,346,341.50/76,703,681.92
  6. Step 6: Final answer
    x = 57,816,680.90

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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.