Home / 42,582,005.40-63,873,008.10-42,134,107.80

Finding the Fourth Proportional to 42,582,005.40, 63,873,008.10 and 42,134,107.80

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Solution

The fourth proportional to 42,582,005.40, 63,873,008.10 and 42,134,107.80 is: 63,201,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,582,005.40 : 63,873,008.10 = 42,134,107.80 : x
  2. Step 2: Convert to fraction form
    42,582,005.40/63,873,008.10 = 42,134,107.80/x
  3. Step 3: Cross multiply
    42,582,005.40x = 63,873,008.10 × 42,134,107.80
  4. Step 4: Simplify right side
    42,582,005.40x = 2,691,232,208,795,673
  5. Step 5: Solve for x
    x = 2,691,232,208,795,673/42,582,005.40
  6. Step 6: Final answer
    x = 63,201,161.70

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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.