Home / 70,970,539.80-106,467,488.82-21,785,158.20

Finding the Fourth Proportional to 70,970,539.80, 106,467,488.82 and 21,785,158.20

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Solution

The fourth proportional to 70,970,539.80, 106,467,488.82 and 21,785,158.20 is: 32,681,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970,539.80 : 106,467,488.82 = 21,785,158.20 : x
  2. Step 2: Convert to fraction form
    70,970,539.80/106,467,488.82 = 21,785,158.20/x
  3. Step 3: Cross multiply
    70,970,539.80x = 106,467,488.82 × 21,785,158.20
  4. Step 4: Simplify right side
    70,970,539.80x = 2,319,411,087,100,431
  5. Step 5: Solve for x
    x = 2,319,411,087,100,431/70,970,539.80
  6. Step 6: Final answer
    x = 32,681,322.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.