Home / 142,822,006.32-214,300,711.10-69,004,407.34

Finding the Fourth Proportional to 142,822,006.32, 214,300,711.10 and 69,004,407.34

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Solution

The fourth proportional to 142,822,006.32, 214,300,711.10 and 69,004,407.34 is: 103,539,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,822,006.32 : 214,300,711.10 = 69,004,407.34 : x
  2. Step 2: Convert to fraction form
    142,822,006.32/214,300,711.10 = 69,004,407.34/x
  3. Step 3: Cross multiply
    142,822,006.32x = 214,300,711.10 × 69,004,407.34
  4. Step 4: Simplify right side
    142,822,006.32x = 14,787,693,561,632,820
  5. Step 5: Solve for x
    x = 14,787,693,561,632,820/142,822,006.32
  6. Step 6: Final answer
    x = 103,539,321.02

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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.