Home / 68,154,040.76-94,059,980.99-42,047,887.37

Finding the Fourth Proportional to 68,154,040.76, 94,059,980.99 and 42,047,887.37

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Solution

The fourth proportional to 68,154,040.76, 94,059,980.99 and 42,047,887.37 is: 58,030,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,154,040.76 : 94,059,980.99 = 42,047,887.37 : x
  2. Step 2: Convert to fraction form
    68,154,040.76/94,059,980.99 = 42,047,887.37/x
  3. Step 3: Cross multiply
    68,154,040.76x = 94,059,980.99 × 42,047,887.37
  4. Step 4: Simplify right side
    68,154,040.76x = 3,955,023,487,032,131.50
  5. Step 5: Solve for x
    x = 3,955,023,487,032,131.50/68,154,040.76
  6. Step 6: Final answer
    x = 58,030,652.96

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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.