Home / 83,232,005.20-124,848,007.80-21,821,045.20

Finding the Fourth Proportional to 83,232,005.20, 124,848,007.80 and 21,821,045.20

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Solution

The fourth proportional to 83,232,005.20, 124,848,007.80 and 21,821,045.20 is: 32,731,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,005.20 : 124,848,007.80 = 21,821,045.20 : x
  2. Step 2: Convert to fraction form
    83,232,005.20/124,848,007.80 = 21,821,045.20/x
  3. Step 3: Cross multiply
    83,232,005.20x = 124,848,007.80 × 21,821,045.20
  4. Step 4: Simplify right side
    83,232,005.20x = 2,724,314,021,333,752.50
  5. Step 5: Solve for x
    x = 2,724,314,021,333,752.50/83,232,005.20
  6. Step 6: Final answer
    x = 32,731,567.80

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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.