Home / 72,762,725.34-100,411,945.11-40,166,977.50

Finding the Fourth Proportional to 72,762,725.34, 100,411,945.11 and 40,166,977.50

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Solution

The fourth proportional to 72,762,725.34, 100,411,945.11 and 40,166,977.50 is: 55,430,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,762,725.34 : 100,411,945.11 = 40,166,977.50 : x
  2. Step 2: Convert to fraction form
    72,762,725.34/100,411,945.11 = 40,166,977.50/x
  3. Step 3: Cross multiply
    72,762,725.34x = 100,411,945.11 × 40,166,977.50
  4. Step 4: Simplify right side
    72,762,725.34x = 4,033,244,339,964,605
  5. Step 5: Solve for x
    x = 4,033,244,339,964,605/72,762,725.34
  6. Step 6: Final answer
    x = 55,430,088.98

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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.