Home / 131,496,349.34-181,465,174.67-72,761,490.02

Finding the Fourth Proportional to 131,496,349.34, 181,465,174.67 and 72,761,490.02

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Solution

The fourth proportional to 131,496,349.34, 181,465,174.67 and 72,761,490.02 is: 100,410,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496,349.34 : 181,465,174.67 = 72,761,490.02 : x
  2. Step 2: Convert to fraction form
    131,496,349.34/181,465,174.67 = 72,761,490.02/x
  3. Step 3: Cross multiply
    131,496,349.34x = 181,465,174.67 × 72,761,490.02
  4. Step 4: Simplify right side
    131,496,349.34x = 13,203,676,494,457,628
  5. Step 5: Solve for x
    x = 13,203,676,494,457,628/131,496,349.34
  6. Step 6: Final answer
    x = 100,410,973.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.