Home / 125,216,647.04-187,736,961.93-55,153,624.58

Finding the Fourth Proportional to 125,216,647.04, 187,736,961.93 and 55,153,624.58

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Solution

The fourth proportional to 125,216,647.04, 187,736,961.93 and 55,153,624.58 is: 82,691,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216,647.04 : 187,736,961.93 = 55,153,624.58 : x
  2. Step 2: Convert to fraction form
    125,216,647.04/187,736,961.93 = 55,153,624.58/x
  3. Step 3: Cross multiply
    125,216,647.04x = 187,736,961.93 × 55,153,624.58
  4. Step 4: Simplify right side
    125,216,647.04x = 10,354,373,918,076,972
  5. Step 5: Solve for x
    x = 10,354,373,918,076,972/125,216,647.04
  6. Step 6: Final answer
    x = 82,691,672.10

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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.