Home / 124,333,004.80-186,300,441.60-78,813,337.60

Finding the Fourth Proportional to 124,333,004.80, 186,300,441.60 and 78,813,337.60

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Solution

The fourth proportional to 124,333,004.80, 186,300,441.60 and 78,813,337.60 is: 118,093,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,333,004.80 : 186,300,441.60 = 78,813,337.60 : x
  2. Step 2: Convert to fraction form
    124,333,004.80/186,300,441.60 = 78,813,337.60/x
  3. Step 3: Cross multiply
    124,333,004.80x = 186,300,441.60 × 78,813,337.60
  4. Step 4: Simplify right side
    124,333,004.80x = 14,682,959,598,849,882
  5. Step 5: Solve for x
    x = 14,682,959,598,849,882/124,333,004.80
  6. Step 6: Final answer
    x = 118,093,820.88

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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.