Home / 48,363,043.20-72,561,153.60-21,456,009.60

Finding the Fourth Proportional to 48,363,043.20, 72,561,153.60 and 21,456,009.60

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Solution

The fourth proportional to 48,363,043.20, 72,561,153.60 and 21,456,009.60 is: 32,191,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,363,043.20 : 72,561,153.60 = 21,456,009.60 : x
  2. Step 2: Convert to fraction form
    48,363,043.20/72,561,153.60 = 21,456,009.60/x
  3. Step 3: Cross multiply
    48,363,043.20x = 72,561,153.60 × 21,456,009.60
  4. Step 4: Simplify right side
    48,363,043.20x = 1,556,872,808,228,674.50
  5. Step 5: Solve for x
    x = 1,556,872,808,228,674.50/48,363,043.20
  6. Step 6: Final answer
    x = 32,191,373.93

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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.