Home / 206,878,730.47-285,765,166.35-153,341,922.69

Finding the Fourth Proportional to 206,878,730.47, 285,765,166.35 and 153,341,922.69

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Solution

The fourth proportional to 206,878,730.47, 285,765,166.35 and 153,341,922.69 is: 211,813,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,878,730.47 : 285,765,166.35 = 153,341,922.69 : x
  2. Step 2: Convert to fraction form
    206,878,730.47/285,765,166.35 = 153,341,922.69/x
  3. Step 3: Cross multiply
    206,878,730.47x = 285,765,166.35 × 153,341,922.69
  4. Step 4: Simplify right side
    206,878,730.47x = 43,819,780,045,936,696
  5. Step 5: Solve for x
    x = 43,819,780,045,936,696/206,878,730.47
  6. Step 6: Final answer
    x = 211,813,848.37

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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.