Home / 56,994,577.80-78,652,654.12-30,889,089.62

Finding the Fourth Proportional to 56,994,577.80, 78,652,654.12 and 30,889,089.62

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Solution

The fourth proportional to 56,994,577.80, 78,652,654.12 and 30,889,089.62 is: 42,627,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,994,577.80 : 78,652,654.12 = 30,889,089.62 : x
  2. Step 2: Convert to fraction form
    56,994,577.80/78,652,654.12 = 30,889,089.62/x
  3. Step 3: Cross multiply
    56,994,577.80x = 78,652,654.12 × 30,889,089.62
  4. Step 4: Simplify right side
    56,994,577.80x = 2,429,508,881,963,542.50
  5. Step 5: Solve for x
    x = 2,429,508,881,963,542.50/56,994,577.80
  6. Step 6: Final answer
    x = 42,627,017.79

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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.