Home / 102,106,786.50-140,908,264.67-55,697,246.82

Finding the Fourth Proportional to 102,106,786.50, 140,908,264.67 and 55,697,246.82

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Solution

The fourth proportional to 102,106,786.50, 140,908,264.67 and 55,697,246.82 is: 76,862,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106,786.50 : 140,908,264.67 = 55,697,246.82 : x
  2. Step 2: Convert to fraction form
    102,106,786.50/140,908,264.67 = 55,697,246.82/x
  3. Step 3: Cross multiply
    102,106,786.50x = 140,908,264.67 × 55,697,246.82
  4. Step 4: Simplify right side
    102,106,786.50x = 7,848,202,396,302,875
  5. Step 5: Solve for x
    x = 7,848,202,396,302,875/102,106,786.50
  6. Step 6: Final answer
    x = 76,862,691.16

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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.