Home / 215,198,714.16-297,065,859.61-144,675,225.40

Finding the Fourth Proportional to 215,198,714.16, 297,065,859.61 and 144,675,225.40

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Solution

The fourth proportional to 215,198,714.16, 297,065,859.61 and 144,675,225.40 is: 199,713,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,198,714.16 : 297,065,859.61 = 144,675,225.40 : x
  2. Step 2: Convert to fraction form
    215,198,714.16/297,065,859.61 = 144,675,225.40/x
  3. Step 3: Cross multiply
    215,198,714.16x = 297,065,859.61 × 144,675,225.40
  4. Step 4: Simplify right side
    215,198,714.16x = 42,978,070,197,721,512
  5. Step 5: Solve for x
    x = 42,978,070,197,721,512/215,198,714.16
  6. Step 6: Final answer
    x = 199,713,415.41

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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.