Home / 101,807,127-140,492,654.28-55,396,581.30

Finding the Fourth Proportional to 101,807,127, 140,492,654.28 and 55,396,581.30

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Solution

The fourth proportional to 101,807,127, 140,492,654.28 and 55,396,581.30 is: 76,446,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,127 : 140,492,654.28 = 55,396,581.30 : x
  2. Step 2: Convert to fraction form
    101,807,127/140,492,654.28 = 55,396,581.30/x
  3. Step 3: Cross multiply
    101,807,127x = 140,492,654.28 × 55,396,581.30
  4. Step 4: Simplify right side
    101,807,127x = 7,782,812,744,874,813
  5. Step 5: Solve for x
    x = 7,782,812,744,874,813/101,807,127
  6. Step 6: Final answer
    x = 76,446,639.58

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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.