Home / 55,365,989.40-83,024,100.90-21,276,005.40

Finding the Fourth Proportional to 55,365,989.40, 83,024,100.90 and 21,276,005.40

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Solution

The fourth proportional to 55,365,989.40, 83,024,100.90 and 21,276,005.40 is: 31,904,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365,989.40 : 83,024,100.90 = 21,276,005.40 : x
  2. Step 2: Convert to fraction form
    55,365,989.40/83,024,100.90 = 21,276,005.40/x
  3. Step 3: Cross multiply
    55,365,989.40x = 83,024,100.90 × 21,276,005.40
  4. Step 4: Simplify right side
    55,365,989.40x = 1,766,421,219,078,544.75
  5. Step 5: Solve for x
    x = 1,766,421,219,078,544.75/55,365,989.40
  6. Step 6: Final answer
    x = 31,904,446.00

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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.