Home / 156,528,545.48-216,093,255.70-120,686,700.50

Finding the Fourth Proportional to 156,528,545.48, 216,093,255.70 and 120,686,700.50

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Solution

The fourth proportional to 156,528,545.48, 216,093,255.70 and 120,686,700.50 is: 166,612,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,528,545.48 : 216,093,255.70 = 120,686,700.50 : x
  2. Step 2: Convert to fraction form
    156,528,545.48/216,093,255.70 = 120,686,700.50/x
  3. Step 3: Cross multiply
    156,528,545.48x = 216,093,255.70 × 120,686,700.50
  4. Step 4: Simplify right side
    156,528,545.48x = 26,079,582,030,735,816
  5. Step 5: Solve for x
    x = 26,079,582,030,735,816/156,528,545.48
  6. Step 6: Final answer
    x = 166,612,306.73

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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.