Home / 147,724,475.49-203,885,090.48-85,880,686.32

Finding the Fourth Proportional to 147,724,475.49, 203,885,090.48 and 85,880,686.32

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Solution

The fourth proportional to 147,724,475.49, 203,885,090.48 and 85,880,686.32 is: 118,530,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724,475.49 : 203,885,090.48 = 85,880,686.32 : x
  2. Step 2: Convert to fraction form
    147,724,475.49/203,885,090.48 = 85,880,686.32/x
  3. Step 3: Cross multiply
    147,724,475.49x = 203,885,090.48 × 85,880,686.32
  4. Step 4: Simplify right side
    147,724,475.49x = 17,509,791,501,052,398
  5. Step 5: Solve for x
    x = 17,509,791,501,052,398/147,724,475.49
  6. Step 6: Final answer
    x = 118,530,063.78

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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.