Home / 66,087,088.89-91,202,643.95-39,629,750.23

Finding the Fourth Proportional to 66,087,088.89, 91,202,643.95 and 39,629,750.23

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Solution

The fourth proportional to 66,087,088.89, 91,202,643.95 and 39,629,750.23 is: 54,690,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087,088.89 : 91,202,643.95 = 39,629,750.23 : x
  2. Step 2: Convert to fraction form
    66,087,088.89/91,202,643.95 = 39,629,750.23/x
  3. Step 3: Cross multiply
    66,087,088.89x = 91,202,643.95 × 39,629,750.23
  4. Step 4: Simplify right side
    66,087,088.89x = 3,614,337,999,679,878
  5. Step 5: Solve for x
    x = 3,614,337,999,679,878/66,087,088.89
  6. Step 6: Final answer
    x = 54,690,531.25

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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.