Home / 92,853,672.52-128,003,019.14-64,889,563.08

Finding the Fourth Proportional to 92,853,672.52, 128,003,019.14 and 64,889,563.08

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Solution

The fourth proportional to 92,853,672.52, 128,003,019.14 and 64,889,563.08 is: 89,453,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853,672.52 : 128,003,019.14 = 64,889,563.08 : x
  2. Step 2: Convert to fraction form
    92,853,672.52/128,003,019.14 = 64,889,563.08/x
  3. Step 3: Cross multiply
    92,853,672.52x = 128,003,019.14 × 64,889,563.08
  4. Step 4: Simplify right side
    92,853,672.52x = 8,306,059,984,915,477
  5. Step 5: Solve for x
    x = 8,306,059,984,915,477/92,853,672.52
  6. Step 6: Final answer
    x = 89,453,219.88

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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.