Home / 142,822,005.95-214,300,710.54-69,004,406.97

Finding the Fourth Proportional to 142,822,005.95, 214,300,710.54 and 69,004,406.97

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Solution

The fourth proportional to 142,822,005.95, 214,300,710.54 and 69,004,406.97 is: 103,539,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,822,005.95 : 214,300,710.54 = 69,004,406.97 : x
  2. Step 2: Convert to fraction form
    142,822,005.95/214,300,710.54 = 69,004,406.97/x
  3. Step 3: Cross multiply
    142,822,005.95x = 214,300,710.54 × 69,004,406.97
  4. Step 4: Simplify right side
    142,822,005.95x = 14,787,693,444,062,328
  5. Step 5: Solve for x
    x = 14,787,693,444,062,328/142,822,005.95
  6. Step 6: Final answer
    x = 103,539,320.47

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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.