Home / 121,634,096-167,720,545.92-77,511,200

Finding the Fourth Proportional to 121,634,096, 167,720,545.92 and 77,511,200

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Solution

The fourth proportional to 121,634,096, 167,720,545.92 and 77,511,200 is: 106,879,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,634,096 : 167,720,545.92 = 77,511,200 : x
  2. Step 2: Convert to fraction form
    121,634,096/167,720,545.92 = 77,511,200/x
  3. Step 3: Cross multiply
    121,634,096x = 167,720,545.92 × 77,511,200
  4. Step 4: Simplify right side
    121,634,096x = 13,000,220,778,914,302
  5. Step 5: Solve for x
    x = 13,000,220,778,914,302/121,634,096
  6. Step 6: Final answer
    x = 106,879,741.84

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1.5x scale

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.