Home / 123,310,769.63-170,168,802.93-73,751,142.47

Finding the Fourth Proportional to 123,310,769.63, 170,168,802.93 and 73,751,142.47

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Solution

The fourth proportional to 123,310,769.63, 170,168,802.93 and 73,751,142.47 is: 101,776,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,310,769.63 : 170,168,802.93 = 73,751,142.47 : x
  2. Step 2: Convert to fraction form
    123,310,769.63/170,168,802.93 = 73,751,142.47/x
  3. Step 3: Cross multiply
    123,310,769.63x = 170,168,802.93 × 73,751,142.47
  4. Step 4: Simplify right side
    123,310,769.63x = 12,550,143,627,988,940
  5. Step 5: Solve for x
    x = 12,550,143,627,988,940/123,310,769.63
  6. Step 6: Final answer
    x = 101,776,541.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.