Home / 56,854,273.12-78,458,900.16-30,748,783.84

Finding the Fourth Proportional to 56,854,273.12, 78,458,900.16 and 30,748,783.84

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Solution

The fourth proportional to 56,854,273.12, 78,458,900.16 and 30,748,783.84 is: 42,433,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,273.12 : 78,458,900.16 = 30,748,783.84 : x
  2. Step 2: Convert to fraction form
    56,854,273.12/78,458,900.16 = 30,748,783.84/x
  3. Step 3: Cross multiply
    56,854,273.12x = 78,458,900.16 × 30,748,783.84
  4. Step 4: Simplify right side
    56,854,273.12x = 2,412,515,761,343,981.50
  5. Step 5: Solve for x
    x = 2,412,515,761,343,981.50/56,854,273.12
  6. Step 6: Final answer
    x = 42,433,323.46

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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.