Home / 129,180,937.59-178,273,998.36-70,446,816.18

Finding the Fourth Proportional to 129,180,937.59, 178,273,998.36 and 70,446,816.18

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Solution

The fourth proportional to 129,180,937.59, 178,273,998.36 and 70,446,816.18 is: 97,218,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,180,937.59 : 178,273,998.36 = 70,446,816.18 : x
  2. Step 2: Convert to fraction form
    129,180,937.59/178,273,998.36 = 70,446,816.18/x
  3. Step 3: Cross multiply
    129,180,937.59x = 178,273,998.36 × 70,446,816.18
  4. Step 4: Simplify right side
    129,180,937.59x = 12,558,835,592,140,544
  5. Step 5: Solve for x
    x = 12,558,835,592,140,544/129,180,937.59
  6. Step 6: Final answer
    x = 97,218,953.71

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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.