Home / 129,057,216.98-178,096,717.08-70,320,364.76

Finding the Fourth Proportional to 129,057,216.98, 178,096,717.08 and 70,320,364.76

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Solution

The fourth proportional to 129,057,216.98, 178,096,717.08 and 70,320,364.76 is: 97,040,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057,216.98 : 178,096,717.08 = 70,320,364.76 : x
  2. Step 2: Convert to fraction form
    129,057,216.98/178,096,717.08 = 70,320,364.76/x
  3. Step 3: Cross multiply
    129,057,216.98x = 178,096,717.08 × 70,320,364.76
  4. Step 4: Simplify right side
    129,057,216.98x = 12,523,826,107,624,124
  5. Step 5: Solve for x
    x = 12,523,826,107,624,124/129,057,216.98
  6. Step 6: Final answer
    x = 97,040,881.56

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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.