Home / 66,480,498.73-91,077,858.47-63,994,436.40

Finding the Fourth Proportional to 66,480,498.73, 91,077,858.47 and 63,994,436.40

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Solution

The fourth proportional to 66,480,498.73, 91,077,858.47 and 63,994,436.40 is: 87,671,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,498.73 : 91,077,858.47 = 63,994,436.40 : x
  2. Step 2: Convert to fraction form
    66,480,498.73/91,077,858.47 = 63,994,436.40/x
  3. Step 3: Cross multiply
    66,480,498.73x = 91,077,858.47 × 63,994,436.40
  4. Step 4: Simplify right side
    66,480,498.73x = 5,828,476,221,808,144
  5. Step 5: Solve for x
    x = 5,828,476,221,808,144/66,480,498.73
  6. Step 6: Final answer
    x = 87,671,968.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.