Home / 124,051,314.70-186,076,972.05-83,236,645.90

Finding the Fourth Proportional to 124,051,314.70, 186,076,972.05 and 83,236,645.90

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Solution

The fourth proportional to 124,051,314.70, 186,076,972.05 and 83,236,645.90 is: 124,854,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051,314.70 : 186,076,972.05 = 83,236,645.90 : x
  2. Step 2: Convert to fraction form
    124,051,314.70/186,076,972.05 = 83,236,645.90/x
  3. Step 3: Cross multiply
    124,051,314.70x = 186,076,972.05 × 83,236,645.90
  4. Step 4: Simplify right side
    124,051,314.70x = 15,488,423,032,670,050
  5. Step 5: Solve for x
    x = 15,488,423,032,670,050/124,051,314.70
  6. Step 6: Final answer
    x = 124,854,968.85

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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.