Home / 69,813,981.84-96,342,376.32-38,451,428.58

Finding the Fourth Proportional to 69,813,981.84, 96,342,376.32 and 38,451,428.58

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Solution

The fourth proportional to 69,813,981.84, 96,342,376.32 and 38,451,428.58 is: 53,062,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813,981.84 : 96,342,376.32 = 38,451,428.58 : x
  2. Step 2: Convert to fraction form
    69,813,981.84/96,342,376.32 = 38,451,428.58/x
  3. Step 3: Cross multiply
    69,813,981.84x = 96,342,376.32 × 38,451,428.58
  4. Step 4: Simplify right side
    69,813,981.84x = 3,704,502,002,295,963
  5. Step 5: Solve for x
    x = 3,704,502,002,295,963/69,813,981.84
  6. Step 6: Final answer
    x = 53,062,465.49

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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.