Home / 57,956,431.80-86,934,647.70-51,909,814.20

Finding the Fourth Proportional to 57,956,431.80, 86,934,647.70 and 51,909,814.20

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Solution

The fourth proportional to 57,956,431.80, 86,934,647.70 and 51,909,814.20 is: 77,864,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956,431.80 : 86,934,647.70 = 51,909,814.20 : x
  2. Step 2: Convert to fraction form
    57,956,431.80/86,934,647.70 = 51,909,814.20/x
  3. Step 3: Cross multiply
    57,956,431.80x = 86,934,647.70 × 51,909,814.20
  4. Step 4: Simplify right side
    57,956,431.80x = 4,512,761,409,649,458
  5. Step 5: Solve for x
    x = 4,512,761,409,649,458/57,956,431.80
  6. Step 6: Final answer
    x = 77,864,721.30

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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.