Home / 103,142,395.11-154,696,767.27-30,342,156.06

Finding the Fourth Proportional to 103,142,395.11, 154,696,767.27 and 30,342,156.06

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Solution

The fourth proportional to 103,142,395.11, 154,696,767.27 and 30,342,156.06 is: 45,508,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,142,395.11 : 154,696,767.27 = 30,342,156.06 : x
  2. Step 2: Convert to fraction form
    103,142,395.11/154,696,767.27 = 30,342,156.06/x
  3. Step 3: Cross multiply
    103,142,395.11x = 154,696,767.27 × 30,342,156.06
  4. Step 4: Simplify right side
    103,142,395.11x = 4,693,833,453,710,357
  5. Step 5: Solve for x
    x = 4,693,833,453,710,357/103,142,395.11
  6. Step 6: Final answer
    x = 45,508,284.43

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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.