Home / 56,917,923.03-78,546,717.23-30,812,421.69

Finding the Fourth Proportional to 56,917,923.03, 78,546,717.23 and 30,812,421.69

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Solution

The fourth proportional to 56,917,923.03, 78,546,717.23 and 30,812,421.69 is: 42,521,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917,923.03 : 78,546,717.23 = 30,812,421.69 : x
  2. Step 2: Convert to fraction form
    56,917,923.03/78,546,717.23 = 30,812,421.69/x
  3. Step 3: Cross multiply
    56,917,923.03x = 78,546,717.23 × 30,812,421.69
  4. Step 4: Simplify right side
    56,917,923.03x = 2,420,214,573,501,886.50
  5. Step 5: Solve for x
    x = 2,420,214,573,501,886.50/56,917,923.03
  6. Step 6: Final answer
    x = 42,521,132.97

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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.