Home / 123,699,541.12-170,735,097.21-70,806,909.90

Finding the Fourth Proportional to 123,699,541.12, 170,735,097.21 and 70,806,909.90

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Solution

The fourth proportional to 123,699,541.12, 170,735,097.21 and 70,806,909.90 is: 97,730,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699,541.12 : 170,735,097.21 = 70,806,909.90 : x
  2. Step 2: Convert to fraction form
    123,699,541.12/170,735,097.21 = 70,806,909.90/x
  3. Step 3: Cross multiply
    123,699,541.12x = 170,735,097.21 × 70,806,909.90
  4. Step 4: Simplify right side
    123,699,541.12x = 12,089,224,644,916,212
  5. Step 5: Solve for x
    x = 12,089,224,644,916,212/123,699,541.12
  6. Step 6: Final answer
    x = 97,730,553.69

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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.