Home / 123,699,543.63-170,735,100.66-70,806,912.41

Finding the Fourth Proportional to 123,699,543.63, 170,735,100.66 and 70,806,912.41

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Solution

The fourth proportional to 123,699,543.63, 170,735,100.66 and 70,806,912.41 is: 97,730,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699,543.63 : 170,735,100.66 = 70,806,912.41 : x
  2. Step 2: Convert to fraction form
    123,699,543.63/170,735,100.66 = 70,806,912.41/x
  3. Step 3: Cross multiply
    123,699,543.63x = 170,735,100.66 × 70,806,912.41
  4. Step 4: Simplify right side
    123,699,543.63x = 12,089,225,316,891,478
  5. Step 5: Solve for x
    x = 12,089,225,316,891,478/123,699,543.63
  6. Step 6: Final answer
    x = 97,730,557.14

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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.