Home / 149,503,243.20-224,254,864.80-91,808,433.60

Finding the Fourth Proportional to 149,503,243.20, 224,254,864.80 and 91,808,433.60

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Solution

The fourth proportional to 149,503,243.20, 224,254,864.80 and 91,808,433.60 is: 137,712,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,503,243.20 : 224,254,864.80 = 91,808,433.60 : x
  2. Step 2: Convert to fraction form
    149,503,243.20/224,254,864.80 = 91,808,433.60/x
  3. Step 3: Cross multiply
    149,503,243.20x = 224,254,864.80 × 91,808,433.60
  4. Step 4: Simplify right side
    149,503,243.20x = 20,588,487,864,467,776
  5. Step 5: Solve for x
    x = 20,588,487,864,467,776/149,503,243.20
  6. Step 6: Final answer
    x = 137,712,650.40

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1.5x scale

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.