Home / 155,675,069.45-214,820,806.58-86,054,969.84

Finding the Fourth Proportional to 155,675,069.45, 214,820,806.58 and 86,054,969.84

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Solution

The fourth proportional to 155,675,069.45, 214,820,806.58 and 86,054,969.84 is: 118,749,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,675,069.45 : 214,820,806.58 = 86,054,969.84 : x
  2. Step 2: Convert to fraction form
    155,675,069.45/214,820,806.58 = 86,054,969.84/x
  3. Step 3: Cross multiply
    155,675,069.45x = 214,820,806.58 × 86,054,969.84
  4. Step 4: Simplify right side
    155,675,069.45x = 18,486,398,031,246,376
  5. Step 5: Solve for x
    x = 18,486,398,031,246,376/155,675,069.45
  6. Step 6: Final answer
    x = 118,749,894.23

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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.