Home / 72,849,376.80-109,132,347.60-44,009,845.20

Finding the Fourth Proportional to 72,849,376.80, 109,132,347.60 and 44,009,845.20

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Solution

The fourth proportional to 72,849,376.80, 109,132,347.60 and 44,009,845.20 is: 65,929,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,849,376.80 : 109,132,347.60 = 44,009,845.20 : x
  2. Step 2: Convert to fraction form
    72,849,376.80/109,132,347.60 = 44,009,845.20/x
  3. Step 3: Cross multiply
    72,849,376.80x = 109,132,347.60 × 44,009,845.20
  4. Step 4: Simplify right side
    72,849,376.80x = 4,802,897,724,188,592
  5. Step 5: Solve for x
    x = 4,802,897,724,188,592/72,849,376.80
  6. Step 6: Final answer
    x = 65,929,153.21

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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.