Home / 56,775,766-78,350,557.08-31,021,654

Finding the Fourth Proportional to 56,775,766, 78,350,557.08 and 31,021,654

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Solution

The fourth proportional to 56,775,766, 78,350,557.08 and 31,021,654 is: 42,809,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,775,766 : 78,350,557.08 = 31,021,654 : x
  2. Step 2: Convert to fraction form
    56,775,766/78,350,557.08 = 31,021,654/x
  3. Step 3: Cross multiply
    56,775,766x = 78,350,557.08 × 31,021,654
  4. Step 4: Simplify right side
    56,775,766x = 2,430,563,872,443,010.50
  5. Step 5: Solve for x
    x = 2,430,563,872,443,010.50/56,775,766
  6. Step 6: Final answer
    x = 42,809,882.52

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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.