Home / 92,478,661.64-138,570,433.85-67,772,084.02

Finding the Fourth Proportional to 92,478,661.64, 138,570,433.85 and 67,772,084.02

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Solution

The fourth proportional to 92,478,661.64, 138,570,433.85 and 67,772,084.02 is: 101,549,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478,661.64 : 138,570,433.85 = 67,772,084.02 : x
  2. Step 2: Convert to fraction form
    92,478,661.64/138,570,433.85 = 67,772,084.02/x
  3. Step 3: Cross multiply
    92,478,661.64x = 138,570,433.85 × 67,772,084.02
  4. Step 4: Simplify right side
    92,478,661.64x = 9,391,207,085,393,056
  5. Step 5: Solve for x
    x = 9,391,207,085,393,056/92,478,661.64
  6. Step 6: Final answer
    x = 101,549,989.14

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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.