Home / 118,144,477.20-177,216,715.80-69,572,470.80

Finding the Fourth Proportional to 118,144,477.20, 177,216,715.80 and 69,572,470.80

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Solution

The fourth proportional to 118,144,477.20, 177,216,715.80 and 69,572,470.80 is: 104,358,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,144,477.20 : 177,216,715.80 = 69,572,470.80 : x
  2. Step 2: Convert to fraction form
    118,144,477.20/177,216,715.80 = 69,572,470.80/x
  3. Step 3: Cross multiply
    118,144,477.20x = 177,216,715.80 × 69,572,470.80
  4. Step 4: Simplify right side
    118,144,477.20x = 12,329,404,785,267,398
  5. Step 5: Solve for x
    x = 12,329,404,785,267,398/118,144,477.20
  6. Step 6: Final answer
    x = 104,358,706.20

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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.