Home / 145,114,172.50-200,257,558.08-79,924,076.50

Finding the Fourth Proportional to 145,114,172.50, 200,257,558.08 and 79,924,076.50

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Solution

The fourth proportional to 145,114,172.50, 200,257,558.08 and 79,924,076.50 is: 110,295,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114,172.50 : 200,257,558.08 = 79,924,076.50 : x
  2. Step 2: Convert to fraction form
    145,114,172.50/200,257,558.08 = 79,924,076.50/x
  3. Step 3: Cross multiply
    145,114,172.50x = 200,257,558.08 × 79,924,076.50
  4. Step 4: Simplify right side
    145,114,172.50x = 16,005,400,391,689,114
  5. Step 5: Solve for x
    x = 16,005,400,391,689,114/145,114,172.50
  6. Step 6: Final answer
    x = 110,295,225.59

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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.