Home / 54,405,233.10-81,607,849.65-42,075,801.90

Finding the Fourth Proportional to 54,405,233.10, 81,607,849.65 and 42,075,801.90

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Solution

The fourth proportional to 54,405,233.10, 81,607,849.65 and 42,075,801.90 is: 63,113,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,233.10 : 81,607,849.65 = 42,075,801.90 : x
  2. Step 2: Convert to fraction form
    54,405,233.10/81,607,849.65 = 42,075,801.90/x
  3. Step 3: Cross multiply
    54,405,233.10x = 81,607,849.65 × 42,075,801.90
  4. Step 4: Simplify right side
    54,405,233.10x = 3,433,715,715,358,384.50
  5. Step 5: Solve for x
    x = 3,433,715,715,358,384.50/54,405,233.10
  6. Step 6: Final answer
    x = 63,113,702.85

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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.