Home / 104,976,128.40-157,464,192.60-72,559,539.60

Finding the Fourth Proportional to 104,976,128.40, 157,464,192.60 and 72,559,539.60

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Solution

The fourth proportional to 104,976,128.40, 157,464,192.60 and 72,559,539.60 is: 108,839,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,128.40 : 157,464,192.60 = 72,559,539.60 : x
  2. Step 2: Convert to fraction form
    104,976,128.40/157,464,192.60 = 72,559,539.60/x
  3. Step 3: Cross multiply
    104,976,128.40x = 157,464,192.60 × 72,559,539.60
  4. Step 4: Simplify right side
    104,976,128.40x = 11,425,529,318,541,726
  5. Step 5: Solve for x
    x = 11,425,529,318,541,726/104,976,128.40
  6. Step 6: Final answer
    x = 108,839,309.40

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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.