Home / 218,821,424.10-328,232,136.15-127,898,211.30

Finding the Fourth Proportional to 218,821,424.10, 328,232,136.15 and 127,898,211.30

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Solution

The fourth proportional to 218,821,424.10, 328,232,136.15 and 127,898,211.30 is: 191,847,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,821,424.10 : 328,232,136.15 = 127,898,211.30 : x
  2. Step 2: Convert to fraction form
    218,821,424.10/328,232,136.15 = 127,898,211.30/x
  3. Step 3: Cross multiply
    218,821,424.10x = 328,232,136.15 × 127,898,211.30
  4. Step 4: Simplify right side
    218,821,424.10x = 41,980,303,104,763,064
  5. Step 5: Solve for x
    x = 41,980,303,104,763,064/218,821,424.10
  6. Step 6: Final answer
    x = 191,847,316.95

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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.