Home / 128,258,162-177,007,461.04-70,322,607.44

Finding the Fourth Proportional to 128,258,162, 177,007,461.04 and 70,322,607.44

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Solution

The fourth proportional to 128,258,162, 177,007,461.04 and 70,322,607.44 is: 97,051,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,258,162 : 177,007,461.04 = 70,322,607.44 : x
  2. Step 2: Convert to fraction form
    128,258,162/177,007,461.04 = 70,322,607.44/x
  3. Step 3: Cross multiply
    128,258,162x = 177,007,461.04 × 70,322,607.44
  4. Step 4: Simplify right side
    128,258,162x = 12,447,626,196,667,014
  5. Step 5: Solve for x
    x = 12,447,626,196,667,014/128,258,162
  6. Step 6: Final answer
    x = 97,051,337.73

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1.5x scale

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.