Home / 74,749,114.80-112,002,949.80-42,304,532.40

Finding the Fourth Proportional to 74,749,114.80, 112,002,949.80 and 42,304,532.40

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Solution

The fourth proportional to 74,749,114.80, 112,002,949.80 and 42,304,532.40 is: 63,388,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749,114.80 : 112,002,949.80 = 42,304,532.40 : x
  2. Step 2: Convert to fraction form
    74,749,114.80/112,002,949.80 = 42,304,532.40/x
  3. Step 3: Cross multiply
    74,749,114.80x = 112,002,949.80 × 42,304,532.40
  4. Step 4: Simplify right side
    74,749,114.80x = 4,738,232,418,709,673
  5. Step 5: Solve for x
    x = 4,738,232,418,709,673/74,749,114.80
  6. Step 6: Final answer
    x = 63,388,475.32

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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.