Home / 159,090,047.49-219,518,969.49-89,461,981.74

Finding the Fourth Proportional to 159,090,047.49, 219,518,969.49 and 89,461,981.74

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Solution

The fourth proportional to 159,090,047.49, 219,518,969.49 and 89,461,981.74 is: 123,443,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,090,047.49 : 219,518,969.49 = 89,461,981.74 : x
  2. Step 2: Convert to fraction form
    159,090,047.49/219,518,969.49 = 89,461,981.74/x
  3. Step 3: Cross multiply
    159,090,047.49x = 219,518,969.49 × 89,461,981.74
  4. Step 4: Simplify right side
    159,090,047.49x = 19,638,602,040,097,996
  5. Step 5: Solve for x
    x = 19,638,602,040,097,996/159,090,047.49
  6. Step 6: Final answer
    x = 123,443,309.94

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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.