Home / 42,380,687.20-63,571,030.80-39,510,905.80

Finding the Fourth Proportional to 42,380,687.20, 63,571,030.80 and 39,510,905.80

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Solution

The fourth proportional to 42,380,687.20, 63,571,030.80 and 39,510,905.80 is: 59,266,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380,687.20 : 63,571,030.80 = 39,510,905.80 : x
  2. Step 2: Convert to fraction form
    42,380,687.20/63,571,030.80 = 39,510,905.80/x
  3. Step 3: Cross multiply
    42,380,687.20x = 63,571,030.80 × 39,510,905.80
  4. Step 4: Simplify right side
    42,380,687.20x = 2,511,749,009,547,698.50
  5. Step 5: Solve for x
    x = 2,511,749,009,547,698.50/42,380,687.20
  6. Step 6: Final answer
    x = 59,266,358.70

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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.