Home / 79,713,086.40-119,569,629.60-60,439,492.80

Finding the Fourth Proportional to 79,713,086.40, 119,569,629.60 and 60,439,492.80

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Solution

The fourth proportional to 79,713,086.40, 119,569,629.60 and 60,439,492.80 is: 90,659,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713,086.40 : 119,569,629.60 = 60,439,492.80 : x
  2. Step 2: Convert to fraction form
    79,713,086.40/119,569,629.60 = 60,439,492.80/x
  3. Step 3: Cross multiply
    79,713,086.40x = 119,569,629.60 × 60,439,492.80
  4. Step 4: Simplify right side
    79,713,086.40x = 7,226,727,767,307,866
  5. Step 5: Solve for x
    x = 7,226,727,767,307,866/79,713,086.40
  6. Step 6: Final answer
    x = 90,659,239.20

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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.