Home / 65,168,327.20-97,856,938.80-51,816,186.40

Finding the Fourth Proportional to 65,168,327.20, 97,856,938.80 and 51,816,186.40

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Solution

The fourth proportional to 65,168,327.20, 97,856,938.80 and 51,816,186.40 is: 77,807,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,168,327.20 : 97,856,938.80 = 51,816,186.40 : x
  2. Step 2: Convert to fraction form
    65,168,327.20/97,856,938.80 = 51,816,186.40/x
  3. Step 3: Cross multiply
    65,168,327.20x = 97,856,938.80 × 51,816,186.40
  4. Step 4: Simplify right side
    65,168,327.20x = 5,070,573,381,394,192
  5. Step 5: Solve for x
    x = 5,070,573,381,394,192/65,168,327.20
  6. Step 6: Final answer
    x = 77,807,327.57

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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.