Home / 56,893,803.84-78,513,446.88-30,788,322.48

Finding the Fourth Proportional to 56,893,803.84, 78,513,446.88 and 30,788,322.48

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Solution

The fourth proportional to 56,893,803.84, 78,513,446.88 and 30,788,322.48 is: 42,487,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,803.84 : 78,513,446.88 = 30,788,322.48 : x
  2. Step 2: Convert to fraction form
    56,893,803.84/78,513,446.88 = 30,788,322.48/x
  3. Step 3: Cross multiply
    56,893,803.84x = 78,513,446.88 × 30,788,322.48
  4. Step 4: Simplify right side
    56,893,803.84x = 2,417,297,321,557,790
  5. Step 5: Solve for x
    x = 2,417,297,321,557,790/56,893,803.84
  6. Step 6: Final answer
    x = 42,487,883.71

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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.