Home / 117,423,496.93-176,134,123.87-71,378,079.08

Finding the Fourth Proportional to 117,423,496.93, 176,134,123.87 and 71,378,079.08

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Solution

The fourth proportional to 117,423,496.93, 176,134,123.87 and 71,378,079.08 is: 107,066,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,423,496.93 : 176,134,123.87 = 71,378,079.08 : x
  2. Step 2: Convert to fraction form
    117,423,496.93/176,134,123.87 = 71,378,079.08/x
  3. Step 3: Cross multiply
    117,423,496.93x = 176,134,123.87 × 71,378,079.08
  4. Step 4: Simplify right side
    117,423,496.93x = 12,572,115,421,220,260
  5. Step 5: Solve for x
    x = 12,572,115,421,220,260/117,423,496.93
  6. Step 6: Final answer
    x = 107,066,436.87

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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.