Home / 219,950,038.40-329,841,076.80-66,545,110.40

Finding the Fourth Proportional to 219,950,038.40, 329,841,076.80 and 66,545,110.40

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Solution

The fourth proportional to 219,950,038.40, 329,841,076.80 and 66,545,110.40 is: 99,792,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,950,038.40 : 329,841,076.80 = 66,545,110.40 : x
  2. Step 2: Convert to fraction form
    219,950,038.40/329,841,076.80 = 66,545,110.40/x
  3. Step 3: Cross multiply
    219,950,038.40x = 329,841,076.80 × 66,545,110.40
  4. Step 4: Simplify right side
    219,950,038.40x = 21,949,310,870,110,880
  5. Step 5: Solve for x
    x = 21,949,310,870,110,880/219,950,038.40
  6. Step 6: Final answer
    x = 99,792,257.50

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1.5x scale

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.