Home / 89,687,754.53-123,769,102.80-48,434,646.90

Finding the Fourth Proportional to 89,687,754.53, 123,769,102.80 and 48,434,646.90

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Solution

The fourth proportional to 89,687,754.53, 123,769,102.80 and 48,434,646.90 is: 66,839,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687,754.53 : 123,769,102.80 = 48,434,646.90 : x
  2. Step 2: Convert to fraction form
    89,687,754.53/123,769,102.80 = 48,434,646.90/x
  3. Step 3: Cross multiply
    89,687,754.53x = 123,769,102.80 × 48,434,646.90
  4. Step 4: Simplify right side
    89,687,754.53x = 5,994,712,791,893,565
  5. Step 5: Solve for x
    x = 5,994,712,791,893,565/89,687,754.53
  6. Step 6: Final answer
    x = 66,839,813.57

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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.