Home / 118,643,813.40-177,965,720.10-93,163,416.60

Finding the Fourth Proportional to 118,643,813.40, 177,965,720.10 and 93,163,416.60

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Solution

The fourth proportional to 118,643,813.40, 177,965,720.10 and 93,163,416.60 is: 139,745,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,643,813.40 : 177,965,720.10 = 93,163,416.60 : x
  2. Step 2: Convert to fraction form
    118,643,813.40/177,965,720.10 = 93,163,416.60/x
  3. Step 3: Cross multiply
    118,643,813.40x = 177,965,720.10 × 93,163,416.60
  4. Step 4: Simplify right side
    118,643,813.40x = 16,579,894,522,195,292
  5. Step 5: Solve for x
    x = 16,579,894,522,195,292/118,643,813.40
  6. Step 6: Final answer
    x = 139,745,124.90

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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.