Home / 145,114,225.56-200,257,631.28-79,924,129.56

Finding the Fourth Proportional to 145,114,225.56, 200,257,631.28 and 79,924,129.56

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Solution

The fourth proportional to 145,114,225.56, 200,257,631.28 and 79,924,129.56 is: 110,295,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114,225.56 : 200,257,631.28 = 79,924,129.56 : x
  2. Step 2: Convert to fraction form
    145,114,225.56/200,257,631.28 = 79,924,129.56/x
  3. Step 3: Cross multiply
    145,114,225.56x = 200,257,631.28 × 79,924,129.56
  4. Step 4: Simplify right side
    145,114,225.56x = 16,005,416,867,801,430
  5. Step 5: Solve for x
    x = 16,005,416,867,801,430/145,114,225.56
  6. Step 6: Final answer
    x = 110,295,298.80

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1.5x scale

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.