Home / 219,950,570.40-329,841,874.80-66,545,642.40

Finding the Fourth Proportional to 219,950,570.40, 329,841,874.80 and 66,545,642.40

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Solution

The fourth proportional to 219,950,570.40, 329,841,874.80 and 66,545,642.40 is: 99,793,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,950,570.40 : 329,841,874.80 = 66,545,642.40 : x
  2. Step 2: Convert to fraction form
    219,950,570.40/329,841,874.80 = 66,545,642.40/x
  3. Step 3: Cross multiply
    219,950,570.40x = 329,841,874.80 × 66,545,642.40
  4. Step 4: Simplify right side
    219,950,570.40x = 21,949,539,448,986,372
  5. Step 5: Solve for x
    x = 21,949,539,448,986,372/219,950,570.40
  6. Step 6: Final answer
    x = 99,793,055.36

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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.