Home / 79,746,569.10-119,619,853.74-19,162,295.10

Finding the Fourth Proportional to 79,746,569.10, 119,619,853.74 and 19,162,295.10

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Solution

The fourth proportional to 79,746,569.10, 119,619,853.74 and 19,162,295.10 is: 28,743,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,569.10 : 119,619,853.74 = 19,162,295.10 : x
  2. Step 2: Convert to fraction form
    79,746,569.10/119,619,853.74 = 19,162,295.10/x
  3. Step 3: Cross multiply
    79,746,569.10x = 119,619,853.74 × 19,162,295.10
  4. Step 4: Simplify right side
    79,746,569.10x = 2,292,190,937,184,718.50
  5. Step 5: Solve for x
    x = 2,292,190,937,184,718.50/79,746,569.10
  6. Step 6: Final answer
    x = 28,743,442.67

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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.