Home / 52,002,028.90-78,012,374.55-21,712,953.70

Finding the Fourth Proportional to 52,002,028.90, 78,012,374.55 and 21,712,953.70

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Solution

The fourth proportional to 52,002,028.90, 78,012,374.55 and 21,712,953.70 is: 32,573,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,028.90 : 78,012,374.55 = 21,712,953.70 : x
  2. Step 2: Convert to fraction form
    52,002,028.90/78,012,374.55 = 21,712,953.70/x
  3. Step 3: Cross multiply
    52,002,028.90x = 78,012,374.55 × 21,712,953.70
  4. Step 4: Simplify right side
    52,002,028.90x = 1,693,879,076,631,208.25
  5. Step 5: Solve for x
    x = 1,693,879,076,631,208.25/52,002,028.90
  6. Step 6: Final answer
    x = 32,573,326.70

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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.