Home / 72,581,570.70-108,872,356.05-48,395,100.30

Finding the Fourth Proportional to 72,581,570.70, 108,872,356.05 and 48,395,100.30

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Solution

The fourth proportional to 72,581,570.70, 108,872,356.05 and 48,395,100.30 is: 72,592,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,570.70 : 108,872,356.05 = 48,395,100.30 : x
  2. Step 2: Convert to fraction form
    72,581,570.70/108,872,356.05 = 48,395,100.30/x
  3. Step 3: Cross multiply
    72,581,570.70x = 108,872,356.05 × 48,395,100.30
  4. Step 4: Simplify right side
    72,581,570.70x = 5,268,888,590,937,061
  5. Step 5: Solve for x
    x = 5,268,888,590,937,061/72,581,570.70
  6. Step 6: Final answer
    x = 72,592,650.45

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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.