Home / 147,870,335.73-204,047,368.97-81,789,411.90

Finding the Fourth Proportional to 147,870,335.73, 204,047,368.97 and 81,789,411.90

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Solution

The fourth proportional to 147,870,335.73, 204,047,368.97 and 81,789,411.90 is: 112,861,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,870,335.73 : 204,047,368.97 = 81,789,411.90 : x
  2. Step 2: Convert to fraction form
    147,870,335.73/204,047,368.97 = 81,789,411.90/x
  3. Step 3: Cross multiply
    147,870,335.73x = 204,047,368.97 × 81,789,411.90
  4. Step 4: Simplify right side
    147,870,335.73x = 16,688,914,307,389,664
  5. Step 5: Solve for x
    x = 16,688,914,307,389,664/147,870,335.73
  6. Step 6: Final answer
    x = 112,861,813.87

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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.