Home / 156,087,574.97-234,054,748.46-77,212,950.91

Finding the Fourth Proportional to 156,087,574.97, 234,054,748.46 and 77,212,950.91

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Solution

The fourth proportional to 156,087,574.97, 234,054,748.46 and 77,212,950.91 is: 115,781,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087,574.97 : 234,054,748.46 = 77,212,950.91 : x
  2. Step 2: Convert to fraction form
    156,087,574.97/234,054,748.46 = 77,212,950.91/x
  3. Step 3: Cross multiply
    156,087,574.97x = 234,054,748.46 × 77,212,950.91
  4. Step 4: Simplify right side
    156,087,574.97x = 18,072,057,802,702,272
  5. Step 5: Solve for x
    x = 18,072,057,802,702,272/156,087,574.97
  6. Step 6: Final answer
    x = 115,781,527.18

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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.