Home / 123,699,543.12-170,735,099.96-70,806,911.92

Finding the Fourth Proportional to 123,699,543.12, 170,735,099.96 and 70,806,911.92

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Solution

The fourth proportional to 123,699,543.12, 170,735,099.96 and 70,806,911.92 is: 97,730,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699,543.12 : 170,735,099.96 = 70,806,911.92 : x
  2. Step 2: Convert to fraction form
    123,699,543.12/170,735,099.96 = 70,806,911.92/x
  3. Step 3: Cross multiply
    123,699,543.12x = 170,735,099.96 × 70,806,911.92
  4. Step 4: Simplify right side
    123,699,543.12x = 12,089,225,184,520,116
  5. Step 5: Solve for x
    x = 12,089,225,184,520,116/123,699,543.12
  6. Step 6: Final answer
    x = 97,730,556.47

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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.