Home / 71,843,771.95-107,692,038.13-54,535,332.15

Finding the Fourth Proportional to 71,843,771.95, 107,692,038.13 and 54,535,332.15

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Solution

The fourth proportional to 71,843,771.95, 107,692,038.13 and 54,535,332.15 is: 81,747,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,843,771.95 : 107,692,038.13 = 54,535,332.15 : x
  2. Step 2: Convert to fraction form
    71,843,771.95/107,692,038.13 = 54,535,332.15/x
  3. Step 3: Cross multiply
    71,843,771.95x = 107,692,038.13 × 54,535,332.15
  4. Step 4: Simplify right side
    71,843,771.95x = 5,873,021,069,330,014
  5. Step 5: Solve for x
    x = 5,873,021,069,330,014/71,843,771.95
  6. Step 6: Final answer
    x = 81,747,114.75

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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.