Home / 137,151,463.49-189,269,020.87-74,427,561.35

Finding the Fourth Proportional to 137,151,463.49, 189,269,020.87 and 74,427,561.35

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Solution

The fourth proportional to 137,151,463.49, 189,269,020.87 and 74,427,561.35 is: 102,710,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,151,463.49 : 189,269,020.87 = 74,427,561.35 : x
  2. Step 2: Convert to fraction form
    137,151,463.49/189,269,020.87 = 74,427,561.35/x
  3. Step 3: Cross multiply
    137,151,463.49x = 189,269,020.87 × 74,427,561.35
  4. Step 4: Simplify right side
    137,151,463.49x = 14,086,831,663,444,012
  5. Step 5: Solve for x
    x = 14,086,831,663,444,012/137,151,463.49
  6. Step 6: Final answer
    x = 102,710,035.35

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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.