Home / 71,104,835.36-106,657,253.06-19,986,854.17

Finding the Fourth Proportional to 71,104,835.36, 106,657,253.06 and 19,986,854.17

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Solution

The fourth proportional to 71,104,835.36, 106,657,253.06 and 19,986,854.17 is: 29,980,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104,835.36 : 106,657,253.06 = 19,986,854.17 : x
  2. Step 2: Convert to fraction form
    71,104,835.36/106,657,253.06 = 19,986,854.17/x
  3. Step 3: Cross multiply
    71,104,835.36x = 106,657,253.06 × 19,986,854.17
  4. Step 4: Simplify right side
    71,104,835.36x = 2,131,742,963,028,937
  5. Step 5: Solve for x
    x = 2,131,742,963,028,937/71,104,835.36
  6. Step 6: Final answer
    x = 29,980,281.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.