Home / 147,870,308.33-204,047,331.24-81,789,384.35

Finding the Fourth Proportional to 147,870,308.33, 204,047,331.24 and 81,789,384.35

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Solution

The fourth proportional to 147,870,308.33, 204,047,331.24 and 81,789,384.35 is: 112,861,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,870,308.33 : 204,047,331.24 = 81,789,384.35 : x
  2. Step 2: Convert to fraction form
    147,870,308.33/204,047,331.24 = 81,789,384.35/x
  3. Step 3: Cross multiply
    147,870,308.33x = 204,047,331.24 × 81,789,384.35
  4. Step 4: Simplify right side
    147,870,308.33x = 16,688,905,600,380,122
  5. Step 5: Solve for x
    x = 16,688,905,600,380,122/147,870,308.33
  6. Step 6: Final answer
    x = 112,861,775.90

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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.