Home / 123,226,131-170,051,437.07-67,470,538.40

Finding the Fourth Proportional to 123,226,131, 170,051,437.07 and 67,470,538.40

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Solution

The fourth proportional to 123,226,131, 170,051,437.07 and 67,470,538.40 is: 93,109,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,226,131 : 170,051,437.07 = 67,470,538.40 : x
  2. Step 2: Convert to fraction form
    123,226,131/170,051,437.07 = 67,470,538.40/x
  3. Step 3: Cross multiply
    123,226,131x = 170,051,437.07 × 67,470,538.40
  4. Step 4: Simplify right side
    123,226,131x = 11,473,462,014,806,620
  5. Step 5: Solve for x
    x = 11,473,462,014,806,620/123,226,131
  6. Step 6: Final answer
    x = 93,109,001.49

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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.