Home / 133,076,304.70-199,614,457.05-72,610,128.70

Finding the Fourth Proportional to 133,076,304.70, 199,614,457.05 and 72,610,128.70

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Solution

The fourth proportional to 133,076,304.70, 199,614,457.05 and 72,610,128.70 is: 108,915,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076,304.70 : 199,614,457.05 = 72,610,128.70 : x
  2. Step 2: Convert to fraction form
    133,076,304.70/199,614,457.05 = 72,610,128.70/x
  3. Step 3: Cross multiply
    133,076,304.70x = 199,614,457.05 × 72,610,128.70
  4. Step 4: Simplify right side
    133,076,304.70x = 14,494,031,416,781,124
  5. Step 5: Solve for x
    x = 14,494,031,416,781,124/133,076,304.70
  6. Step 6: Final answer
    x = 108,915,193.05

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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.