Home / 116,742,281.52-161,104,673.21-63,819,628.68

Finding the Fourth Proportional to 116,742,281.52, 161,104,673.21 and 63,819,628.68

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Solution

The fourth proportional to 116,742,281.52, 161,104,673.21 and 63,819,628.68 is: 88,071,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,742,281.52 : 161,104,673.21 = 63,819,628.68 : x
  2. Step 2: Convert to fraction form
    116,742,281.52/161,104,673.21 = 63,819,628.68/x
  3. Step 3: Cross multiply
    116,742,281.52x = 161,104,673.21 × 63,819,628.68
  4. Step 4: Simplify right side
    116,742,281.52x = 10,281,640,422,949,296
  5. Step 5: Solve for x
    x = 10,281,640,422,949,296/116,742,281.52
  6. Step 6: Final answer
    x = 88,071,265.09

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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.