Home / 42,346,903.80-63,520,355.70-38,441,796.60

Finding the Fourth Proportional to 42,346,903.80, 63,520,355.70 and 38,441,796.60

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Solution

The fourth proportional to 42,346,903.80, 63,520,355.70 and 38,441,796.60 is: 57,662,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,346,903.80 : 63,520,355.70 = 38,441,796.60 : x
  2. Step 2: Convert to fraction form
    42,346,903.80/63,520,355.70 = 38,441,796.60/x
  3. Step 3: Cross multiply
    42,346,903.80x = 63,520,355.70 × 38,441,796.60
  4. Step 4: Simplify right side
    42,346,903.80x = 2,441,836,593,779,051
  5. Step 5: Solve for x
    x = 2,441,836,593,779,051/42,346,903.80
  6. Step 6: Final answer
    x = 57,662,694.90

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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.