Home / 218,899,223.80-328,132,259.70-103,681,252.60

Finding the Fourth Proportional to 218,899,223.80, 328,132,259.70 and 103,681,252.60

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Solution

The fourth proportional to 218,899,223.80, 328,132,259.70 and 103,681,252.60 is: 155,419,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,899,223.80 : 328,132,259.70 = 103,681,252.60 : x
  2. Step 2: Convert to fraction form
    218,899,223.80/328,132,259.70 = 103,681,252.60/x
  3. Step 3: Cross multiply
    218,899,223.80x = 328,132,259.70 × 103,681,252.60
  4. Step 4: Simplify right side
    218,899,223.80x = 34,021,163,704,164,496
  5. Step 5: Solve for x
    x = 34,021,163,704,164,496/218,899,223.80
  6. Step 6: Final answer
    x = 155,419,298.04

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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.