Home / 84,017,050.40-125,975,809.20-43,706,266.40

Finding the Fourth Proportional to 84,017,050.40, 125,975,809.20 and 43,706,266.40

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Solution

The fourth proportional to 84,017,050.40, 125,975,809.20 and 43,706,266.40 is: 65,533,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017,050.40 : 125,975,809.20 = 43,706,266.40 : x
  2. Step 2: Convert to fraction form
    84,017,050.40/125,975,809.20 = 43,706,266.40/x
  3. Step 3: Cross multiply
    84,017,050.40x = 125,975,809.20 × 43,706,266.40
  4. Step 4: Simplify right side
    84,017,050.40x = 5,505,932,276,850,771
  5. Step 5: Solve for x
    x = 5,505,932,276,850,771/84,017,050.40
  6. Step 6: Final answer
    x = 65,533,510.77

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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.