Home / 81,054,732,644.80-121,411,056,674.23-65,032,322,659.72

Finding the Fourth Proportional to 81,054,732,644.80, 121,411,056,674.23 and 65,032,322,659.72

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Solution

The fourth proportional to 81,054,732,644.80, 121,411,056,674.23 and 65,032,322,659.72 is: 97,411,252,304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,054,732,644.80 : 121,411,056,674.23 = 65,032,322,659.72 : x
  2. Step 2: Convert to fraction form
    81,054,732,644.80/121,411,056,674.23 = 65,032,322,659.72/x
  3. Step 3: Cross multiply
    81,054,732,644.80x = 121,411,056,674.23 × 65,032,322,659.72
  4. Step 4: Simplify right side
    81,054,732,644.80x = 7,895,643,012,096,561,512,448
  5. Step 5: Solve for x
    x = 7,895,643,012,096,561,512,448/81,054,732,644.80
  6. Step 6: Final answer
    x = 97,411,252,304.00

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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.