Home / 79,792,358.10-119,688,537.15-45,685,655.70

Finding the Fourth Proportional to 79,792,358.10, 119,688,537.15 and 45,685,655.70

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Solution

The fourth proportional to 79,792,358.10, 119,688,537.15 and 45,685,655.70 is: 68,528,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792,358.10 : 119,688,537.15 = 45,685,655.70 : x
  2. Step 2: Convert to fraction form
    79,792,358.10/119,688,537.15 = 45,685,655.70/x
  3. Step 3: Cross multiply
    79,792,358.10x = 119,688,537.15 × 45,685,655.70
  4. Step 4: Simplify right side
    79,792,358.10x = 5,468,049,299,471,560
  5. Step 5: Solve for x
    x = 5,468,049,299,471,560/79,792,358.10
  6. Step 6: Final answer
    x = 68,528,483.55

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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.