Home / 54,405,082.60-81,607,623.90-42,075,651.40

Finding the Fourth Proportional to 54,405,082.60, 81,607,623.90 and 42,075,651.40

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Solution

The fourth proportional to 54,405,082.60, 81,607,623.90 and 42,075,651.40 is: 63,113,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,082.60 : 81,607,623.90 = 42,075,651.40 : x
  2. Step 2: Convert to fraction form
    54,405,082.60/81,607,623.90 = 42,075,651.40/x
  3. Step 3: Cross multiply
    54,405,082.60x = 81,607,623.90 × 42,075,651.40
  4. Step 4: Simplify right side
    54,405,082.60x = 3,433,693,934,798,708.50
  5. Step 5: Solve for x
    x = 3,433,693,934,798,708.50/54,405,082.60
  6. Step 6: Final answer
    x = 63,113,477.10

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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.