Home / 54,402,003.10-81,603,004.65-42,072,571.90

Finding the Fourth Proportional to 54,402,003.10, 81,603,004.65 and 42,072,571.90

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Solution

The fourth proportional to 54,402,003.10, 81,603,004.65 and 42,072,571.90 is: 63,108,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402,003.10 : 81,603,004.65 = 42,072,571.90 : x
  2. Step 2: Convert to fraction form
    54,402,003.10/81,603,004.65 = 42,072,571.90/x
  3. Step 3: Cross multiply
    54,402,003.10x = 81,603,004.65 × 42,072,571.90
  4. Step 4: Simplify right side
    54,402,003.10x = 3,433,248,280,393,159.50
  5. Step 5: Solve for x
    x = 3,433,248,280,393,159.50/54,402,003.10
  6. Step 6: Final answer
    x = 63,108,857.85

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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.