Home / 144,585,411.70-199,522,271.94-78,504,397.51

Finding the Fourth Proportional to 144,585,411.70, 199,522,271.94 and 78,504,397.51

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Solution

The fourth proportional to 144,585,411.70, 199,522,271.94 and 78,504,397.51 is: 108,333,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585,411.70 : 199,522,271.94 = 78,504,397.51 : x
  2. Step 2: Convert to fraction form
    144,585,411.70/199,522,271.94 = 78,504,397.51/x
  3. Step 3: Cross multiply
    144,585,411.70x = 199,522,271.94 × 78,504,397.51
  4. Step 4: Simplify right side
    144,585,411.70x = 15,663,375,748,476,080
  5. Step 5: Solve for x
    x = 15,663,375,748,476,080/144,585,411.70
  6. Step 6: Final answer
    x = 108,333,030.04

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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.