Home / 89,776,637.88-123,891,813.48-50,084,168.70

Finding the Fourth Proportional to 89,776,637.88, 123,891,813.48 and 50,084,168.70

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Solution

The fourth proportional to 89,776,637.88, 123,891,813.48 and 50,084,168.70 is: 69,116,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776,637.88 : 123,891,813.48 = 50,084,168.70 : x
  2. Step 2: Convert to fraction form
    89,776,637.88/123,891,813.48 = 50,084,168.70/x
  3. Step 3: Cross multiply
    89,776,637.88x = 123,891,813.48 × 50,084,168.70
  4. Step 4: Simplify right side
    89,776,637.88x = 6,205,018,486,881,255
  5. Step 5: Solve for x
    x = 6,205,018,486,881,255/89,776,637.88
  6. Step 6: Final answer
    x = 69,116,182.49

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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.