Home / 60,426,205.40-90,639,308.10-52,206,584.60

Finding the Fourth Proportional to 60,426,205.40, 90,639,308.10 and 52,206,584.60

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Solution

The fourth proportional to 60,426,205.40, 90,639,308.10 and 52,206,584.60 is: 78,309,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426,205.40 : 90,639,308.10 = 52,206,584.60 : x
  2. Step 2: Convert to fraction form
    60,426,205.40/90,639,308.10 = 52,206,584.60/x
  3. Step 3: Cross multiply
    60,426,205.40x = 90,639,308.10 × 52,206,584.60
  4. Step 4: Simplify right side
    60,426,205.40x = 4,731,968,706,408,115
  5. Step 5: Solve for x
    x = 4,731,968,706,408,115/60,426,205.40
  6. Step 6: Final answer
    x = 78,309,876.90

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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.