Home / 93,191,423.18-128,608,542.81-51,938,610.80

Finding the Fourth Proportional to 93,191,423.18, 128,608,542.81 and 51,938,610.80

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Solution

The fourth proportional to 93,191,423.18, 128,608,542.81 and 51,938,610.80 is: 71,677,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,191,423.18 : 128,608,542.81 = 51,938,610.80 : x
  2. Step 2: Convert to fraction form
    93,191,423.18/128,608,542.81 = 51,938,610.80/x
  3. Step 3: Cross multiply
    93,191,423.18x = 128,608,542.81 × 51,938,610.80
  4. Step 4: Simplify right side
    93,191,423.18x = 6,679,749,051,332,914
  5. Step 5: Solve for x
    x = 6,679,749,051,332,914/93,191,423.18
  6. Step 6: Final answer
    x = 71,677,723.37

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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.