Home / 72,767,906.70-109,151,860.05-59,853,890.40

Finding the Fourth Proportional to 72,767,906.70, 109,151,860.05 and 59,853,890.40

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Solution

The fourth proportional to 72,767,906.70, 109,151,860.05 and 59,853,890.40 is: 89,780,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,767,906.70 : 109,151,860.05 = 59,853,890.40 : x
  2. Step 2: Convert to fraction form
    72,767,906.70/109,151,860.05 = 59,853,890.40/x
  3. Step 3: Cross multiply
    72,767,906.70x = 109,151,860.05 × 59,853,890.40
  4. Step 4: Simplify right side
    72,767,906.70x = 6,533,163,468,388,838
  5. Step 5: Solve for x
    x = 6,533,163,468,388,838/72,767,906.70
  6. Step 6: Final answer
    x = 89,780,835.60

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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.