Home / 208,829,086.70-313,243,630.05-177,924,152.30

Finding the Fourth Proportional to 208,829,086.70, 313,243,630.05 and 177,924,152.30

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Solution

The fourth proportional to 208,829,086.70, 313,243,630.05 and 177,924,152.30 is: 266,886,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,829,086.70 : 313,243,630.05 = 177,924,152.30 : x
  2. Step 2: Convert to fraction form
    208,829,086.70/313,243,630.05 = 177,924,152.30/x
  3. Step 3: Cross multiply
    208,829,086.70x = 313,243,630.05 × 177,924,152.30
  4. Step 4: Simplify right side
    208,829,086.70x = 55,733,607,340,021,064
  5. Step 5: Solve for x
    x = 55,733,607,340,021,064/208,829,086.70
  6. Step 6: Final answer
    x = 266,886,228.45

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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.