Home / 129,055,320.54-178,094,093.04-70,318,468.62

Finding the Fourth Proportional to 129,055,320.54, 178,094,093.04 and 70,318,468.62

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Solution

The fourth proportional to 129,055,320.54, 178,094,093.04 and 70,318,468.62 is: 97,038,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,055,320.54 : 178,094,093.04 = 70,318,468.62 : x
  2. Step 2: Convert to fraction form
    129,055,320.54/178,094,093.04 = 70,318,468.62/x
  3. Step 3: Cross multiply
    129,055,320.54x = 178,094,093.04 × 70,318,468.62
  4. Step 4: Simplify right side
    129,055,320.54x = 12,523,303,892,840,600
  5. Step 5: Solve for x
    x = 12,523,303,892,840,600/129,055,320.54
  6. Step 6: Final answer
    x = 97,038,261.12

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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.