Home / 70,216,724.70-105,325,087.05-61,713,668.70

Finding the Fourth Proportional to 70,216,724.70, 105,325,087.05 and 61,713,668.70

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Solution

The fourth proportional to 70,216,724.70, 105,325,087.05 and 61,713,668.70 is: 92,570,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,216,724.70 : 105,325,087.05 = 61,713,668.70 : x
  2. Step 2: Convert to fraction form
    70,216,724.70/105,325,087.05 = 61,713,668.70/x
  3. Step 3: Cross multiply
    70,216,724.70x = 105,325,087.05 × 61,713,668.70
  4. Step 4: Simplify right side
    70,216,724.70x = 6,499,997,528,002,360
  5. Step 5: Solve for x
    x = 6,499,997,528,002,360/70,216,724.70
  6. Step 6: Final answer
    x = 92,570,503.05

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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.