Home / 147,631,507.34-203,727,531.47-81,550,583.36

Finding the Fourth Proportional to 147,631,507.34, 203,727,531.47 and 81,550,583.36

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Solution

The fourth proportional to 147,631,507.34, 203,727,531.47 and 81,550,583.36 is: 112,537,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,631,507.34 : 203,727,531.47 = 81,550,583.36 : x
  2. Step 2: Convert to fraction form
    147,631,507.34/203,727,531.47 = 81,550,583.36/x
  3. Step 3: Cross multiply
    147,631,507.34x = 203,727,531.47 × 81,550,583.36
  4. Step 4: Simplify right side
    147,631,507.34x = 16,614,099,037,871,258
  5. Step 5: Solve for x
    x = 16,614,099,037,871,258/147,631,507.34
  6. Step 6: Final answer
    x = 112,537,623.83

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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.