Home / 60,426,146.40-90,639,219.60-52,206,525.60

Finding the Fourth Proportional to 60,426,146.40, 90,639,219.60 and 52,206,525.60

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Solution

The fourth proportional to 60,426,146.40, 90,639,219.60 and 52,206,525.60 is: 78,309,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426,146.40 : 90,639,219.60 = 52,206,525.60 : x
  2. Step 2: Convert to fraction form
    60,426,146.40/90,639,219.60 = 52,206,525.60/x
  3. Step 3: Cross multiply
    60,426,146.40x = 90,639,219.60 × 52,206,525.60
  4. Step 4: Simplify right side
    60,426,146.40x = 4,731,958,738,411,422
  5. Step 5: Solve for x
    x = 4,731,958,738,411,422/60,426,146.40
  6. Step 6: Final answer
    x = 78,309,788.40

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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.