Home / 48,383,999.40-72,575,999.10-21,457,655.40

Finding the Fourth Proportional to 48,383,999.40, 72,575,999.10 and 21,457,655.40

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Solution

The fourth proportional to 48,383,999.40, 72,575,999.10 and 21,457,655.40 is: 32,186,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383,999.40 : 72,575,999.10 = 21,457,655.40 : x
  2. Step 2: Convert to fraction form
    48,383,999.40/72,575,999.10 = 21,457,655.40/x
  3. Step 3: Cross multiply
    48,383,999.40x = 72,575,999.10 × 21,457,655.40
  4. Step 4: Simplify right side
    48,383,999.40x = 1,557,310,778,998,510
  5. Step 5: Solve for x
    x = 1,557,310,778,998,510/48,383,999.40
  6. Step 6: Final answer
    x = 32,186,483.10

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1.5x scale

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.