Home / 79,795,050.40-119,428,847.76-72,624,582.72

Finding the Fourth Proportional to 79,795,050.40, 119,428,847.76 and 72,624,582.72

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Solution

The fourth proportional to 79,795,050.40, 119,428,847.76 and 72,624,582.72 is: 108,696,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795,050.40 : 119,428,847.76 = 72,624,582.72 : x
  2. Step 2: Convert to fraction form
    79,795,050.40/119,428,847.76 = 72,624,582.72/x
  3. Step 3: Cross multiply
    79,795,050.40x = 119,428,847.76 × 72,624,582.72
  4. Step 4: Simplify right side
    79,795,050.40x = 8,673,470,233,300,407
  5. Step 5: Solve for x
    x = 8,673,470,233,300,407/79,795,050.40
  6. Step 6: Final answer
    x = 108,696,845.10

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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.