Home / 69,702,372.20-104,553,558.30-64,128,535.40

Finding the Fourth Proportional to 69,702,372.20, 104,553,558.30 and 64,128,535.40

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Solution

The fourth proportional to 69,702,372.20, 104,553,558.30 and 64,128,535.40 is: 96,192,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,702,372.20 : 104,553,558.30 = 64,128,535.40 : x
  2. Step 2: Convert to fraction form
    69,702,372.20/104,553,558.30 = 64,128,535.40/x
  3. Step 3: Cross multiply
    69,702,372.20x = 104,553,558.30 × 64,128,535.40
  4. Step 4: Simplify right side
    69,702,372.20x = 6,704,866,564,637,513
  5. Step 5: Solve for x
    x = 6,704,866,564,637,513/69,702,372.20
  6. Step 6: Final answer
    x = 96,192,803.10

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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.