Home / 99,681,985.99-137,568,045.90-55,637,577.46

Finding the Fourth Proportional to 99,681,985.99, 137,568,045.90 and 55,637,577.46

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Solution

The fourth proportional to 99,681,985.99, 137,568,045.90 and 55,637,577.46 is: 76,783,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,681,985.99 : 137,568,045.90 = 55,637,577.46 : x
  2. Step 2: Convert to fraction form
    99,681,985.99/137,568,045.90 = 55,637,577.46/x
  3. Step 3: Cross multiply
    99,681,985.99x = 137,568,045.90 × 55,637,577.46
  4. Step 4: Simplify right side
    99,681,985.99x = 7,653,952,809,782,086
  5. Step 5: Solve for x
    x = 7,653,952,809,782,086/99,681,985.99
  6. Step 6: Final answer
    x = 76,783,711.06

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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.