Home / 75,029,428.83-103,540,611.81-40,690,612.83

Finding the Fourth Proportional to 75,029,428.83, 103,540,611.81 and 40,690,612.83

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Solution

The fourth proportional to 75,029,428.83, 103,540,611.81 and 40,690,612.83 is: 56,153,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029,428.83 : 103,540,611.81 = 40,690,612.83 : x
  2. Step 2: Convert to fraction form
    75,029,428.83/103,540,611.81 = 40,690,612.83/x
  3. Step 3: Cross multiply
    75,029,428.83x = 103,540,611.81 × 40,690,612.83
  4. Step 4: Simplify right side
    75,029,428.83x = 4,213,130,947,071,398.50
  5. Step 5: Solve for x
    x = 4,213,130,947,071,398.50/75,029,428.83
  6. Step 6: Final answer
    x = 56,153,045.72

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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.