Home / 51,387,984.63-70,919,903.55-28,187,595.60

Finding the Fourth Proportional to 51,387,984.63, 70,919,903.55 and 28,187,595.60

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Solution

The fourth proportional to 51,387,984.63, 70,919,903.55 and 28,187,595.60 is: 38,901,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,387,984.63 : 70,919,903.55 = 28,187,595.60 : x
  2. Step 2: Convert to fraction form
    51,387,984.63/70,919,903.55 = 28,187,595.60/x
  3. Step 3: Cross multiply
    51,387,984.63x = 70,919,903.55 × 28,187,595.60
  4. Step 4: Simplify right side
    51,387,984.63x = 1,999,061,561,258,404.50
  5. Step 5: Solve for x
    x = 1,999,061,561,258,404.50/51,387,984.63
  6. Step 6: Final answer
    x = 38,901,341.93

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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.