Home / 289,911,592.82-400,074,635.06-157,750,312.30

Finding the Fourth Proportional to 289,911,592.82, 400,074,635.06 and 157,750,312.30

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Solution

The fourth proportional to 289,911,592.82, 400,074,635.06 and 157,750,312.30 is: 217,693,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,911,592.82 : 400,074,635.06 = 157,750,312.30 : x
  2. Step 2: Convert to fraction form
    289,911,592.82/400,074,635.06 = 157,750,312.30/x
  3. Step 3: Cross multiply
    289,911,592.82x = 400,074,635.06 × 157,750,312.30
  4. Step 4: Simplify right side
    289,911,592.82x = 63,111,898,622,826,160
  5. Step 5: Solve for x
    x = 63,111,898,622,826,160/289,911,592.82
  6. Step 6: Final answer
    x = 217,693,601.03

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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.