Home / 47,977,359.10-71,966,038.65-47,020,765.30

Finding the Fourth Proportional to 47,977,359.10, 71,966,038.65 and 47,020,765.30

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Solution

The fourth proportional to 47,977,359.10, 71,966,038.65 and 47,020,765.30 is: 70,531,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977,359.10 : 71,966,038.65 = 47,020,765.30 : x
  2. Step 2: Convert to fraction form
    47,977,359.10/71,966,038.65 = 47,020,765.30/x
  3. Step 3: Cross multiply
    47,977,359.10x = 71,966,038.65 × 47,020,765.30
  4. Step 4: Simplify right side
    47,977,359.10x = 3,383,898,212,932,379
  5. Step 5: Solve for x
    x = 3,383,898,212,932,379/47,977,359.10
  6. Step 6: Final answer
    x = 70,531,147.95

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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.