Home / 81,368,297.32-112,317,715.40-53,875,082.92

Finding the Fourth Proportional to 81,368,297.32, 112,317,715.40 and 53,875,082.92

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Solution

The fourth proportional to 81,368,297.32, 112,317,715.40 and 53,875,082.92 is: 74,367,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,368,297.32 : 112,317,715.40 = 53,875,082.92 : x
  2. Step 2: Convert to fraction form
    81,368,297.32/112,317,715.40 = 53,875,082.92/x
  3. Step 3: Cross multiply
    81,368,297.32x = 112,317,715.40 × 53,875,082.92
  4. Step 4: Simplify right side
    81,368,297.32x = 6,051,126,230,559,961
  5. Step 5: Solve for x
    x = 6,051,126,230,559,961/81,368,297.32
  6. Step 6: Final answer
    x = 74,367,123.68

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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.