Home / 159,090,028.52-219,518,943.42-89,461,962.76

Finding the Fourth Proportional to 159,090,028.52, 219,518,943.42 and 89,461,962.76

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Solution

The fourth proportional to 159,090,028.52, 219,518,943.42 and 89,461,962.76 is: 123,443,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,090,028.52 : 219,518,943.42 = 89,461,962.76 : x
  2. Step 2: Convert to fraction form
    159,090,028.52/219,518,943.42 = 89,461,962.76/x
  3. Step 3: Cross multiply
    159,090,028.52x = 219,518,943.42 × 89,461,962.76
  4. Step 4: Simplify right side
    159,090,028.52x = 19,638,595,541,354,588
  5. Step 5: Solve for x
    x = 19,638,595,541,354,588/159,090,028.52
  6. Step 6: Final answer
    x = 123,443,283.81

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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.