Home / 123,552,639.60-170,523,109.08-68,566,158.96

Finding the Fourth Proportional to 123,552,639.60, 170,523,109.08 and 68,566,158.96

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Solution

The fourth proportional to 123,552,639.60, 170,523,109.08 and 68,566,158.96 is: 94,632,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,552,639.60 : 170,523,109.08 = 68,566,158.96 : x
  2. Step 2: Convert to fraction form
    123,552,639.60/170,523,109.08 = 68,566,158.96/x
  3. Step 3: Cross multiply
    123,552,639.60x = 170,523,109.08 × 68,566,158.96
  4. Step 4: Simplify right side
    123,552,639.60x = 11,692,114,603,532,700
  5. Step 5: Solve for x
    x = 11,692,114,603,532,700/123,552,639.60
  6. Step 6: Final answer
    x = 94,632,657.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.