Home / 147,515,429.40-221,206,788.90-56,608,805.40

Finding the Fourth Proportional to 147,515,429.40, 221,206,788.90 and 56,608,805.40

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Solution

The fourth proportional to 147,515,429.40, 221,206,788.90 and 56,608,805.40 is: 84,887,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,515,429.40 : 221,206,788.90 = 56,608,805.40 : x
  2. Step 2: Convert to fraction form
    147,515,429.40/221,206,788.90 = 56,608,805.40/x
  3. Step 3: Cross multiply
    147,515,429.40x = 221,206,788.90 × 56,608,805.40
  4. Step 4: Simplify right side
    147,515,429.40x = 12,522,252,065,998,980
  5. Step 5: Solve for x
    x = 12,522,252,065,998,980/147,515,429.40
  6. Step 6: Final answer
    x = 84,887,744.40

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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.