Home / 230,531,943.71-318,133,131.22-124,685,477.21

Finding the Fourth Proportional to 230,531,943.71, 318,133,131.22 and 124,685,477.21

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Solution

The fourth proportional to 230,531,943.71, 318,133,131.22 and 124,685,477.21 is: 172,065,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,531,943.71 : 318,133,131.22 = 124,685,477.21 : x
  2. Step 2: Convert to fraction form
    230,531,943.71/318,133,131.22 = 124,685,477.21/x
  3. Step 3: Cross multiply
    230,531,943.71x = 318,133,131.22 × 124,685,477.21
  4. Step 4: Simplify right side
    230,531,943.71x = 39,666,581,283,428,440
  5. Step 5: Solve for x
    x = 39,666,581,283,428,440/230,531,943.71
  6. Step 6: Final answer
    x = 172,065,444.14

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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.