Home / 53,153,867.70-79,730,801.55-45,501,117.30

Finding the Fourth Proportional to 53,153,867.70, 79,730,801.55 and 45,501,117.30

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Solution

The fourth proportional to 53,153,867.70, 79,730,801.55 and 45,501,117.30 is: 68,251,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153,867.70 : 79,730,801.55 = 45,501,117.30 : x
  2. Step 2: Convert to fraction form
    53,153,867.70/79,730,801.55 = 45,501,117.30/x
  3. Step 3: Cross multiply
    53,153,867.70x = 79,730,801.55 × 45,501,117.30
  4. Step 4: Simplify right side
    53,153,867.70x = 3,627,840,553,749,571.50
  5. Step 5: Solve for x
    x = 3,627,840,553,749,571.50/53,153,867.70
  6. Step 6: Final answer
    x = 68,251,675.95

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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.