Home / 133,076,303.70-199,614,455.55-72,610,127.70

Finding the Fourth Proportional to 133,076,303.70, 199,614,455.55 and 72,610,127.70

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Solution

The fourth proportional to 133,076,303.70, 199,614,455.55 and 72,610,127.70 is: 108,915,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076,303.70 : 199,614,455.55 = 72,610,127.70 : x
  2. Step 2: Convert to fraction form
    133,076,303.70/199,614,455.55 = 72,610,127.70/x
  3. Step 3: Cross multiply
    133,076,303.70x = 199,614,455.55 × 72,610,127.70
  4. Step 4: Simplify right side
    133,076,303.70x = 14,494,031,108,251,476
  5. Step 5: Solve for x
    x = 14,494,031,108,251,476/133,076,303.70
  6. Step 6: Final answer
    x = 108,915,191.55

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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.