Home / 142,720,142,794.66-214,174,528,364.76-67,194,892,234.32

Finding the Fourth Proportional to 142,720,142,794.66, 214,174,528,364.76 and 67,194,892,234.32

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Solution

The fourth proportional to 142,720,142,794.66, 214,174,528,364.76 and 67,194,892,234.32 is: 100,836,742,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,720,142,794.66 : 214,174,528,364.76 = 67,194,892,234.32 : x
  2. Step 2: Convert to fraction form
    142,720,142,794.66/214,174,528,364.76 = 67,194,892,234.32/x
  3. Step 3: Cross multiply
    142,720,142,794.66x = 214,174,528,364.76 × 67,194,892,234.32
  4. Step 4: Simplify right side
    142,720,142,794.66x = 14,391,434,352,806,361,825,280
  5. Step 5: Solve for x
    x = 14,391,434,352,806,361,825,280/142,720,142,794.66
  6. Step 6: Final answer
    x = 100,836,742,950.24

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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.