Home / 201,624,218.40-302,223,751.20-78,755,059.20

Finding the Fourth Proportional to 201,624,218.40, 302,223,751.20 and 78,755,059.20

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Solution

The fourth proportional to 201,624,218.40, 302,223,751.20 and 78,755,059.20 is: 118,049,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624,218.40 : 302,223,751.20 = 78,755,059.20 : x
  2. Step 2: Convert to fraction form
    201,624,218.40/302,223,751.20 = 78,755,059.20/x
  3. Step 3: Cross multiply
    201,624,218.40x = 302,223,751.20 × 78,755,059.20
  4. Step 4: Simplify right side
    201,624,218.40x = 23,801,649,417,402,072
  5. Step 5: Solve for x
    x = 23,801,649,417,402,072/201,624,218.40
  6. Step 6: Final answer
    x = 118,049,555.78

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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.