Home / 99,660,810.30-149,491,215.45-55,896,643.95

Finding the Fourth Proportional to 99,660,810.30, 149,491,215.45 and 55,896,643.95

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Solution

The fourth proportional to 99,660,810.30, 149,491,215.45 and 55,896,643.95 is: 83,844,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,810.30 : 149,491,215.45 = 55,896,643.95 : x
  2. Step 2: Convert to fraction form
    99,660,810.30/149,491,215.45 = 55,896,643.95/x
  3. Step 3: Cross multiply
    99,660,810.30x = 149,491,215.45 × 55,896,643.95
  4. Step 4: Simplify right side
    99,660,810.30x = 8,356,057,243,661,389
  5. Step 5: Solve for x
    x = 8,356,057,243,661,389/99,660,810.30
  6. Step 6: Final answer
    x = 83,844,965.93

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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.