Home / 102,445,815.96-141,376,337.82-56,035,049.40

Finding the Fourth Proportional to 102,445,815.96, 141,376,337.82 and 56,035,049.40

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Solution

The fourth proportional to 102,445,815.96, 141,376,337.82 and 56,035,049.40 is: 77,328,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,445,815.96 : 141,376,337.82 = 56,035,049.40 : x
  2. Step 2: Convert to fraction form
    102,445,815.96/141,376,337.82 = 56,035,049.40/x
  3. Step 3: Cross multiply
    102,445,815.96x = 141,376,337.82 × 56,035,049.40
  4. Step 4: Simplify right side
    102,445,815.96x = 7,922,030,073,734,788
  5. Step 5: Solve for x
    x = 7,922,030,073,734,788/102,445,815.96
  6. Step 6: Final answer
    x = 77,328,976.29

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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.