Home / 142,720,142,834.52-214,174,528,424.28-67,194,892,274.04

Finding the Fourth Proportional to 142,720,142,834.52, 214,174,528,424.28 and 67,194,892,274.04

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Solution

The fourth proportional to 142,720,142,834.52, 214,174,528,424.28 and 67,194,892,274.04 is: 100,836,743,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,720,142,834.52 : 214,174,528,424.28 = 67,194,892,274.04 : x
  2. Step 2: Convert to fraction form
    142,720,142,834.52/214,174,528,424.28 = 67,194,892,274.04/x
  3. Step 3: Cross multiply
    142,720,142,834.52x = 214,174,528,424.28 × 67,194,892,274.04
  4. Step 4: Simplify right side
    142,720,142,834.52x = 14,391,434,365,312,811,663,360
  5. Step 5: Solve for x
    x = 14,391,434,365,312,811,663,360/142,720,142,834.52
  6. Step 6: Final answer
    x = 100,836,743,009.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.