Home / 56,893,787.34-78,513,424.11-30,788,305.98

Finding the Fourth Proportional to 56,893,787.34, 78,513,424.11 and 30,788,305.98

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Solution

The fourth proportional to 56,893,787.34, 78,513,424.11 and 30,788,305.98 is: 42,487,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,787.34 : 78,513,424.11 = 30,788,305.98 : x
  2. Step 2: Convert to fraction form
    56,893,787.34/78,513,424.11 = 30,788,305.98/x
  3. Step 3: Cross multiply
    56,893,787.34x = 78,513,424.11 × 30,788,305.98
  4. Step 4: Simplify right side
    56,893,787.34x = 2,417,295,325,036,189
  5. Step 5: Solve for x
    x = 2,417,295,325,036,189/56,893,787.34
  6. Step 6: Final answer
    x = 42,487,860.94

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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.