Home / 218,502,510.93-301,529,946.13-119,381,131.80

Finding the Fourth Proportional to 218,502,510.93, 301,529,946.13 and 119,381,131.80

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Solution

The fourth proportional to 218,502,510.93, 301,529,946.13 and 119,381,131.80 is: 164,744,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,502,510.93 : 301,529,946.13 = 119,381,131.80 : x
  2. Step 2: Convert to fraction form
    218,502,510.93/301,529,946.13 = 119,381,131.80/x
  3. Step 3: Cross multiply
    218,502,510.93x = 301,529,946.13 × 119,381,131.80
  4. Step 4: Simplify right side
    218,502,510.93x = 35,996,986,240,293,976
  5. Step 5: Solve for x
    x = 35,996,986,240,293,976/218,502,510.93
  6. Step 6: Final answer
    x = 164,744,039.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.