Home / 123,699,540.13-170,735,095.84-70,806,908.90

Finding the Fourth Proportional to 123,699,540.13, 170,735,095.84 and 70,806,908.90

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Solution

The fourth proportional to 123,699,540.13, 170,735,095.84 and 70,806,908.90 is: 97,730,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699,540.13 : 170,735,095.84 = 70,806,908.90 : x
  2. Step 2: Convert to fraction form
    123,699,540.13/170,735,095.84 = 70,806,908.90/x
  3. Step 3: Cross multiply
    123,699,540.13x = 170,735,095.84 × 70,806,908.90
  4. Step 4: Simplify right side
    123,699,540.13x = 12,089,224,376,821,616
  5. Step 5: Solve for x
    x = 12,089,224,376,821,616/123,699,540.13
  6. Step 6: Final answer
    x = 97,730,552.31

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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.