Home / 42,007,477.20-63,011,215.80-36,968,629.20

Finding the Fourth Proportional to 42,007,477.20, 63,011,215.80 and 36,968,629.20

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Solution

The fourth proportional to 42,007,477.20, 63,011,215.80 and 36,968,629.20 is: 55,452,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007,477.20 : 63,011,215.80 = 36,968,629.20 : x
  2. Step 2: Convert to fraction form
    42,007,477.20/63,011,215.80 = 36,968,629.20/x
  3. Step 3: Cross multiply
    42,007,477.20x = 63,011,215.80 × 36,968,629.20
  4. Step 4: Simplify right side
    42,007,477.20x = 2,329,438,272,351,381.50
  5. Step 5: Solve for x
    x = 2,329,438,272,351,381.50/42,007,477.20
  6. Step 6: Final answer
    x = 55,452,943.80

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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.