Home / 92,572,695.20-138,859,042.80-77,568,125.60

Finding the Fourth Proportional to 92,572,695.20, 138,859,042.80 and 77,568,125.60

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Solution

The fourth proportional to 92,572,695.20, 138,859,042.80 and 77,568,125.60 is: 116,352,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,572,695.20 : 138,859,042.80 = 77,568,125.60 : x
  2. Step 2: Convert to fraction form
    92,572,695.20/138,859,042.80 = 77,568,125.60/x
  3. Step 3: Cross multiply
    92,572,695.20x = 138,859,042.80 × 77,568,125.60
  4. Step 4: Simplify right side
    92,572,695.20x = 10,771,035,672,606,176
  5. Step 5: Solve for x
    x = 10,771,035,672,606,176/92,572,695.20
  6. Step 6: Final answer
    x = 116,352,188.40

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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.