Home / 45,792,312.20-68,688,468.30-45,473,447.60

Finding the Fourth Proportional to 45,792,312.20, 68,688,468.30 and 45,473,447.60

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Solution

The fourth proportional to 45,792,312.20, 68,688,468.30 and 45,473,447.60 is: 68,210,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,792,312.20 : 68,688,468.30 = 45,473,447.60 : x
  2. Step 2: Convert to fraction form
    45,792,312.20/68,688,468.30 = 45,473,447.60/x
  3. Step 3: Cross multiply
    45,792,312.20x = 68,688,468.30 × 45,473,447.60
  4. Step 4: Simplify right side
    45,792,312.20x = 3,123,501,463,964,311
  5. Step 5: Solve for x
    x = 3,123,501,463,964,311/45,792,312.20
  6. Step 6: Final answer
    x = 68,210,171.40

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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.